When selecting a bidi SFP module, the key considerations are compatibility, distance, and speed. The best overall pick for 2026 is the 1.25G SFP Bidi Transceiver for its reliable single-mode operation and broad compatibility. For those needing higher speeds, the Elfcam 10G SFP+ stands out with support for 10Gbps connections. Meanwhile, budget-conscious buyers will find value in the 10Gtek 1.25G SFP BIDI Transceiver, which offers solid performance at a lower price point. Each option involves tradeoffs between speed, distance, and cost. Continue reading for a detailed breakdown to help you make an informed choice.

14
compared
6
brands
3
fiber types
Which bidi sfp module should you buy?
★ Top Pick
1.25G SFP Bidi Transceiver
Best Overall for Compatibility and Long-Distance Performance
Extensive compatibility with major brands and devices
See on Amazon →
Network engineers managing mixed-brand fiber networks seeking long-distance, reliable connectivity.
10Gtek 1.25G SFP BIDI Transcei
Supports long-distance fiber links up to 20km
View on Amazon →
High-speed data centers and enterprise networks requiring multi-standard, high-bandwidth fiber links.
Elfcam® 1 Pair 10G SFP+ BIDI T
Supports 10Gbps and lower speeds for flexibility
View on Amazon →
Enterprises deploying long-distance 10Gbps fiber links within the 20km range.
10Gtek 10G SFP+ Bidi Transceiv
Supports 20km fiber links at 10Gbps
View on Amazon →
Network setups requiring reliable 10Gbps links within 10km, especially in office or data center environments.
1 Pair 10G SFP+ BiDi Transceiv
Supports 10Gbps data rates at 10km
View on Amazon →
Pros & cons at a glance
1.25G SFP Bidi Transceiver
✓ Extensive compatibility with major brands and devices
✗ Not recommended for HP devices, limiting some enterprise environments
10Gtek 1.25G SFP BIDI Transcei
✓ Supports long-distance fiber links up to 20km
✗ Limited to 1.25Gbps, not suitable for high-bandwidth needs
Elfcam® 1 Pair 10G SFP+ BIDI T
✓ Supports 10Gbps and lower speeds for flexibility
✗ Not compatible with some enterprise switch brands like HP-Aruba
10Gtek 10G SFP+ Bidi Transceiv
✓ Supports 20km fiber links at 10Gbps
✗ Limited to single-mode fiber applications
1 Pair 10G SFP+ BiDi Transceiv
✓ Supports 10Gbps data rates at 10km
✗ Limited to 10km range, not suitable for longer distances
1 Pair Simplex SC Module 3KM
✓ Supports stable 1.25G data transfer over 3 km
✗ Limited to single-mode fiber applications
5 Pairs 10G BIDI SFP+ Single M
✓ Supports high-speed 10G data transmission over 10 km
✗ Incompatible with Cisco 3000 & 6000 series
10Gtek 1.25G SFP Bidi Transcei
✓ Supports real-time diagnostics with DDM
✗ Limited to 2 km range
5 Pair 1.25G BiDi SFP Fiber Tr
✓ Supports long-distance transmission up to 20 km
✗ Requires compatible fiber infrastructure
1 Pair 10GBASE-BX10-UD BiDi SF
✓ Supports 10 km transmission distances
✗ Requires technical knowledge for proper installation
5 Pairs BIDI SFP Network Trans
✓ Supports long-distance transmission up to 20 km
✗ Not recommended for HP and Aruba products
Elfcam 1 Pair 10Gb SFP+ BIDI T
✓ Supports long-distance fiber connections up to 20 km
✗ Not compatible with HP-Aruba, Intel, Arista, Mellanox, and other enterprise hardware
10Gtek 2-Pair of 10G SFP+ Bidi
✓ Supports fiber links up to 20 km
✗ Requires compatible SFP+ ports
5 Pairs 1.25G BIDI SFP Network
✓ Supports fiber links up to 20 km
✗ Not recommended for HP and Aruba products

Key Takeaways

  • High-speed options like 10G SFP+ modules are ideal for demanding data centers, but come at a higher cost.
  • Distance capabilities vary significantly, with most modules supporting up to 20km, suitable for enterprise deployments.
  • Compatibility with popular brands like Cisco, Ubiquiti, and Mikrotik is common, but always verify specific model support.
  • Price ranges reflect performance differences; budget modules often support shorter distances or lower speeds.
  • Many modules support dual wavelengths (1310nm/1550nm), offering flexibility for diverse fiber infrastructure setups.
2
10Gtek 1.25G SFP BIDI Transcei
Best for Versatile Compatibility and Long-Distance Reliability
1
1.25G SFP Bidi Transceiver
Best Overall for Compatibility and Long-Distance Performance
3
Elfcam® 1 Pair 10G SFP+ BIDI T
Best for High-Speed, Multi-Standard Fiber Applications

Our Top Bidi Sfp Module Picks

1.25G SFP Bidi Transceiver, 1000Base-BIDI Single Mode SFP Module, 1310nm/1550nm SMF, Up to 20km, for Cisco, Ubiquiti UniFi, TP-Link, Meraki, Intel, Mikrotik, Netgear, and More, 1 Pair1.25G SFP Bidi Transceiver, 1000Base-BIDI Single Mode SFP Module, 1310nm/1550nm SMF, Up to 20km, for Cisco, Ubiquiti UniFi, TP-Link, Meraki, Intel, Mikrotik, Netgear, and More, 1 PairBest Overall for Compatibility and Long-Distance PerformanceData Rate: 1.25GbpsWavelength: 1310nm/1550nmTransmission Distance: Up to 20kmVIEW ON AMAZONSee Our Full Breakdown
10Gtek 1.25G SFP BIDI Transceiver, Single Mode, LC Fiber Module, Up to 20 km10Gtek 1.25G SFP BIDI Transceiver, Single Mode, LC Fiber Module, Up to 20 kmBest for Versatile Compatibility and Long-Distance ReliabilityType: SFP BIDI TransceiverSpeed: 1.25GWavelength: Up: TX1310nm/RX1490nm; Down: TX1490nm/RX1310nmVIEW ON AMAZONSee Our Full Breakdown
Elfcam® 1 Pair 10G SFP+ BIDI Transceiver Module with SC Fiber Port, Single-Mode, Support 10Gbps/2.5Gbps/1.25Gbps, 20kmElfcam® 1 Pair 10G SFP+ BIDI Transceiver Module with SC Fiber Port, Single-Mode, Support 10Gbps/2.5Gbps/1.25Gbps, 20kmBest for High-Speed, Multi-Standard Fiber ApplicationsWavelength: 1270nm/1330nmData Rate: 10Gbps, 2.5Gbps, 1.25GbpsRange: 20 kmVIEW ON AMAZONSee Our Full Breakdown
10Gtek 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km10Gtek 10G SFP+ Bidi Transceiver, LC Single-Mode, 20kmBest for Long-Distance 10Gbps Fiber LinksWavelength Up: 1270nmWavelength Down: 1330nmDistance: 20kmVIEW ON AMAZONSee Our Full Breakdown
1 Pair 10G SFP+ BiDi Transceivers, LC Single Mode, 10km, Cisco Compatible1 Pair 10G SFP+ BiDi Transceivers, LC Single Mode, 10km, Cisco CompatibleBest for Shorter, High-Speed Fiber Links with Compatibility FocusWavelength Up: 1270nmWavelength Down: 1330nmTransmission Distance: 10kmVIEW ON AMAZONSee Our Full Breakdown
1 Pair Simplex SC Module 3KM, 1.25G Single-Mode Fiber Connector, SFP-WDM-SM 1000BASE BiDi 1310nm/1550nm SFP Transceiver Module1 Pair Simplex SC Module 3KM, 1.25G Single-Mode Fiber Connector, SFP-WDM-SM 1000BASE BiDi 1310nm/1550nm SFP Transceiver ModuleBest Budget for Short-Range Single-Mode ApplicationsData Rate: 1.25GReach: 3 kmConnector: Simplex SCVIEW ON AMAZONSee Our Full Breakdown
5 Pairs 10G BIDI SFP+ Single Mode Fiber Module Network Transceiver LR SM 1270nm 1330nm 10km Simplex LC Interface5 Pairs 10G BIDI SFP+ Single Mode Fiber Module Network Transceiver LR SM 1270nm 1330nm 10km Simplex LC InterfaceBest for 10G Long-Distance Single-Mode LinksTechnology: BIDI single fiberData Rate: 10GbpsWavelength: 1270nm / 1330nmVIEW ON AMAZONSee Our Full Breakdown
10Gtek 1.25G SFP Bidi Transceiver, Single Mode, LC Fiber Module, Up to 2km, Compatible with Cisco and Ubiquiti10Gtek 1.25G SFP Bidi Transceiver, Single Mode, LC Fiber Module, Up to 2km, Compatible with Cisco and UbiquitiBest for Short-Range 1.25G Fiber ConnectivityWavelength: Up: TX1310nm/RX1550nm; Down: TX1550nm/RX1310nmData Rate: 1.25GFiber Type: Single ModeVIEW ON AMAZONSee Our Full Breakdown
5 Pair 1.25G BiDi SFP Fiber Transceiver Module, 1000BASE-BX-D, Single-Mode Simplex LC, Tx/Rx 1490nm/1310nm, DDM, SMF, Compatible with Cisco, Ubiquiti/Unifi, Mikrotik, TP-Link and More, up to 20km5 Pair 1.25G BiDi SFP Fiber Transceiver Module, 1000BASE-BX-D, Single-Mode Simplex LC, Tx/Rx 1490nm/1310nm, DDM, SMF, Compatible with Cisco, Ubiquiti/Unifi, Mikrotik, TP-Link and More, up to 20kmBest for Long-Distance Enterprise Fiber NetworksWavelength: Tx1490nm / Rx1310nmTransmission Distance: Up to 20 kmFiber Type: Single-Mode Fiber (SMF)VIEW ON AMAZONSee Our Full Breakdown
1 Pair 10GBASE-BX10-UD BiDi SFP+ Module, TX 1270nm/1330nm, RX 1330nm/1270nm, 10km DOM Simplex LC/UPC SMF Optical Transceiver for Juniper Networks1 Pair 10GBASE-BX10-UD BiDi SFP+ Module, TX 1270nm/1330nm, RX 1330nm/1270nm, 10km DOM Simplex LC/UPC SMF Optical Transceiver for Juniper NetworksBest for 10km Long-Distance Compatibility with Juniper DevicesWave length: TX 1270nm / RX 1330nmTransmission distance: 10 kmPower consumption: <1.2WVIEW ON AMAZONSee Our Full Breakdown
5 Pairs BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode LC, 1000BASE-LX, Single Fiber, 20km5 Pairs BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode LC, 1000BASE-LX, Single Fiber, 20kmBest Overall for Long-Distance Single-Fiber DeploymentsData Rate: 1.25 GbpsFiber Type: Single ModeInterface: LCVIEW ON AMAZONSee Our Full Breakdown
Elfcam 1 Pair 10Gb SFP+ BIDI Transceiver Module with LC/UPC Fiber Port, Singlemode, 20KM, Compatible with Cisco, Ubiquiti, Mikrotik, D-Link, Open SwitchElfcam 1 Pair 10Gb SFP+ BIDI Transceiver Module with LC/UPC Fiber Port, Singlemode, 20KM, Compatible with Cisco, Ubiquiti, Mikrotik, D-Link, Open SwitchBest for High-Speed, Long-Distance 10G ConnectionsWavelength TX: 1270nmWavelength RX: 1330nmMax Distance: 20 kmVIEW ON AMAZONSee Our Full Breakdown
10Gtek 2-Pair of 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km10Gtek 2-Pair of 10G SFP+ Bidi Transceiver, LC Single-Mode, 20kmBest for Dual-Pair 10G Long-Distance Fiber LinksWavelength: Up: 1270nm/RX: 1330nm; Down: 1330nm/RX: 1270nmTransmission Distance: 20 kmCompatibility: Cisco SFP-10G-BX20D-U, Ubiquiti, MikrotikVIEW ON AMAZONSee Our Full Breakdown
5 Pairs 1.25G BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode, LX SM 1310nm 1550nm 20km, Single Fiber Interface for Router, Network Card, Switch, Firewall5 Pairs 1.25G BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode, LX SM 1310nm 1550nm 20km, Single Fiber Interface for Router, Network Card, Switch, FirewallBest for Versatile Long-Distance 1.25G Fiber ConnectivityWavelength: 1310nm/1550nmData Rate: 1.25 GbpsFiber Type: Single ModeVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
bidi sfp moduleCompatibilityWavelengthData RateFiber Type
1.25G SFP Bidi TransceiverCisco, Ubiquiti, TP-Link, Meraki, Intel, Mikrotik, Netgear, and more1310nm/1550nm1.25Gbps
10Gtek 1.25G SFP BIDI TransceiCisco GLC-BX-D, Ubiquiti UF-SM-1G-S, Mikrotik, Linksys, D-link, NetgearUp: TX1310nm/RX1490nm; Down: TX1490nm/RX1310nm
Elfcam® 1 Pair 10G SFP+ BIDI TCisco, Ubiquiti, Netgear, D-Link, Huawei1270nm/1330nm10Gbps, 2.5Gbps, 1.25Gbps
10Gtek 10G SFP+ Bidi TransceivCisco SFP-10G-BX20D/U, Ubiquiti UniFi
1 Pair 10G SFP+ BiDi TransceivCisco, Ubiquiti10Gbps
1 Pair Simplex SC Module 3KM1310nm/1550nm1.25GSingle-Mode Fiber (SMF)
5 Pairs 10G BIDI SFP+ Single M1270nm / 1330nm10GbpsSingle Mode
10Gtek 1.25G SFP Bidi TransceiCisco, Ubiquiti, Mikrotik, D-Link, SupermicroUp: TX1310nm/RX1550nm; Down: TX1550nm/RX1310nm1.25GSingle Mode
5 Pair 1.25G BiDi SFP Fiber TrCisco, Ubiquiti, Mikrotik, TP-Link, and moreTx1490nm / Rx1310nmSingle-Mode Fiber (SMF)
1 Pair 10GBASE-BX10-UD BiDi SFOver 100 vendors including Cisco, MikrotikSMF
5 Pairs BIDI SFP Network Trans1.25 GbpsSingle Mode
Elfcam 1 Pair 10Gb SFP+ BIDI TCisco, Ubiquiti, Mikrotik, D-Link, Open Switch
10Gtek 2-Pair of 10G SFP+ BidiCisco SFP-10G-BX20D-U, Ubiquiti, MikrotikUp: 1270nm/RX: 1330nm; Down: 1330nm/RX: 1270nm
5 Pairs 1.25G BIDI SFP Network1310nm/1550nm1.25 GbpsSingle Mode

More Details on Our Top Picks

  1. 1.25G SFP Bidi Transceiver, 1000Base-BIDI Single Mode SFP Module, 1310nm/1550nm SMF, Up to 20km, for Cisco, Ubiquiti UniFi, TP-Link, Meraki, Intel, Mikrotik, Netgear, and More, 1 Pair

    Best Overall for Compatibility and Long-Distance Performance

    View on Amazon

    This SFP module stands out for its broad compatibility with major networking brands like Cisco, Ubiquiti, and Netgear, making it a versatile choice for diverse network setups. Its support for up to 20km transmission over single-mode fiber ensures it’s suitable for larger deployments, surpassing many alternatives that max out at 10km or less. The plug-and-play design simplifies installation, and real-time monitoring enhances system stability. Compared with the 10Gtek 1.25G SFP BIDI Transceiver, it offers broader device support but comes with a limitation of 1.25Gbps, which might be insufficient for high-bandwidth needs. Its main tradeoff is that it’s not recommended for HP devices, and it requires compatible SFP ports. Overall, this module is ideal for network administrators seeking reliability and long-range fiber communication without sacrificing compatibility.

    Pros:
    • Extensive compatibility with major brands and devices
    • Supports fiber transmission up to 20km
    • Easy plug-and-play installation
    • Includes real-time fiber status monitoring
    Cons:
    • Not recommended for HP devices, limiting some enterprise environments
    • Limited to 1.25Gbps data rate, insufficient for high-bandwidth applications

    Best for: IT professionals managing diverse, multi-vendor fiber networks requiring long-distance connectivity.

    Not ideal for: Small office setups with limited device compatibility or those needing higher than 1.25Gbps data rates.

    • Data Rate:1.25Gbps
    • Wavelength:1310nm/1550nm
    • Transmission Distance:Up to 20km
    • Connector:Simplex LC
    • Compatibility:Cisco, Ubiquiti, TP-Link, Meraki, Intel, Mikrotik, Netgear, and more
    • Work Temperature:0-70°C
    • Standards:SFP MSA, IEEE 802.3ab
    • Monitoring:Real-time fiber status monitoring
    Our verdict
    “This module offers a reliable, long-range solution best suited for multi-vendor environments with moderate bandwidth needs.”
  2. 10Gtek 1.25G SFP BIDI Transceiver, Single Mode, LC Fiber Module, Up to 20 km

    10Gtek 1.25G SFP BIDI Transceiver, Single Mode, LC Fiber Module, Up to 20 km

    Best for Versatile Compatibility and Long-Distance Reliability

    View on Amazon

    This transceiver excels in environments where compatibility across multiple brands like Cisco, Mikrotik, and D-Link is essential. Its support for 20km fiber links makes it suitable for medium to large deployments, with DDM features providing real-time signal diagnostics. Compared with the Elfcam 10G SFP+, it offers broader compatibility but remains limited to 1.25Gbps, which may not meet the demands of high-speed data centers. Its reliance on compatible SFP ports means it’s not suitable for all hardware, and it doesn’t support multi-mode fiber. The main tradeoff here is the lower data rate versus its excellent versatility and monitoring features. For network administrators needing reliable long-distance links with multi-vendor support, this model is a dependable choice.

    Pros:
    • Supports long-distance fiber links up to 20km
    • Compatible with numerous switch and router brands
    • Includes DDM for real-time diagnostics
    • Tested for high reliability
    Cons:
    • Limited to 1.25Gbps, not suitable for high-bandwidth needs
    • Incompatible with some brands like TP-Link

    Best for: Network engineers managing mixed-brand fiber networks seeking long-distance, reliable connectivity.

    Not ideal for: High-speed data center environments requiring 10Gbps or higher bandwidth.

    • Type:SFP BIDI Transceiver
    • Speed:1.25G
    • Wavelength:Up: TX1310nm/RX1490nm; Down: TX1490nm/RX1310nm
    • Max Distance:20 km
    • Compatibility:Cisco GLC-BX-D, Ubiquiti UF-SM-1G-S, Mikrotik, Linksys, D-link, Netgear
    • Features:DDM, Hot-pluggable
    Our verdict
    “A flexible, long-distance fiber transceiver ideal for multi-vendor environments with moderate bandwidth requirements.”
  3. Elfcam® 1 Pair 10G SFP+ BIDI Transceiver Module with SC Fiber Port, Single-Mode, Support 10Gbps/2.5Gbps/1.25Gbps, 20km

    Elfcam® 1 Pair 10G SFP+ BIDI Transceiver Module with SC Fiber Port, Single-Mode, Support 10Gbps/2.5Gbps/1.25Gbps, 20km

    Best for High-Speed, Multi-Standard Fiber Applications

    View on Amazon

    This pair of SFP+ modules supports 10Gbps speeds across multiple standards, making them suitable for high-performance networks. The 20km range over single-mode fiber exceeds many alternatives, including the 10Gtek 10G SFP+ BIDI, which only supports up to 10Gbps. Their compatibility with a wide variety of switches, including Cisco and Huawei, adds to their appeal. The digital diagnostic monitoring simplifies management, and the plug-and-play setup helps streamline deployments. However, they are incompatible with HP-Aruba, and their reliance on specific fiber types limits flexibility. The main tradeoff is that they are designed for high-speed, high-capacity environments but require compatible fiber infrastructure, making them less suited for smaller or less advanced networks.

    Pros:
    • Supports 10Gbps and lower speeds for flexibility
    • Long fiber reach of 20km over single-mode fiber
    • Digital diagnostic monitoring for troubleshooting
    • Compatible with multiple high-end switches
    Cons:
    • Not compatible with some enterprise switch brands like HP-Aruba
    • Requires specific single-mode fiber cables

    Best for: High-speed data centers and enterprise networks requiring multi-standard, high-bandwidth fiber links.

    Not ideal for: Small-scale or legacy networks without support for 10Gbps fiber infrastructure.

    • Wavelength:1270nm/1330nm
    • Data Rate:10Gbps, 2.5Gbps, 1.25Gbps
    • Range:20 km
    • Fiber Port Type:Simplex SC
    • Compatibility:Cisco, Ubiquiti, Netgear, D-Link, Huawei
    • Features:Digital diagnostic monitoring
    Our verdict
    “A high-performance, versatile transceiver best suited for demanding fiber backbone applications.”
  4. 10Gtek 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km

    10Gtek 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km

    Best for Long-Distance 10Gbps Fiber Links

    View on Amazon

    This SFP+ module is designed for robust 10Gbps fiber connections over 20km, making it a reliable choice for long-haul links. Its compatibility with Cisco SFP-10G-BX20D/U and Ubiquiti models ensures it fits into a variety of enterprise environments. The real-time DDM monitoring allows for quick diagnostics, and each unit undergoes thorough testing to ensure quality. Compared to the Elfcam 10G SFP+, it’s more straightforward for single-mode fiber applications but shares similar limitations regarding port compatibility and fiber type. Its main tradeoff is the fixed 20km range, which isn’t suitable for ultra-long-distance links but covers most enterprise needs. This module is ideal for organizations needing dependable 10Gbps connectivity over moderate distances.

    Pros:
    • Supports 20km fiber links at 10Gbps
    • Compatible with major brands like Cisco and Ubiquiti
    • Includes real-time diagnostics via DDM
    • Tested for quality and reliability
    Cons:
    • Limited to single-mode fiber applications
    • Requires compatible 10G SFP+ ports

    Best for: Enterprises deploying long-distance 10Gbps fiber links within the 20km range.

    Not ideal for: Networks requiring multimode fiber or distances exceeding 20km.

    • Wavelength Up:1270nm
    • Wavelength Down:1330nm
    • Distance:20km
    • Compatibility:Cisco SFP-10G-BX20D/U, Ubiquiti UniFi
    • Type:Single-Mode, Bidi, SFP+
    Our verdict
    “A dependable, long-distance 10Gbps fiber transceiver suited for enterprise backbone connections.”
  5. 1 Pair 10G SFP+ BiDi Transceivers, LC Single Mode, 10km, Cisco Compatible

    1 Pair 10G SFP+ BiDi Transceivers, LC Single Mode, 10km, Cisco Compatible

    Best for Shorter, High-Speed Fiber Links with Compatibility Focus

    View on Amazon

    This pair offers reliable 10Gbps fiber communication over 10km, ideal for short- to mid-range links in enterprise and data center environments. Compatibility with Cisco and other major brands makes it a flexible option, especially with its digital diagnostics monitoring for quick troubleshooting. Compared with the Elfcam 10G SFP+, it provides similar speeds but is limited to half the range, which is suitable for most intra-building connections. Its plug-and-play design simplifies deployment, but compatibility may vary depending on the specific switch hardware. The main tradeoff lies in its maximum 10km distance, which may be insufficient for longer backbone links. This pick makes sense for those needing dependable, high-speed links over moderate distances with straightforward setup.

    Pros:
    • Supports 10Gbps data rates at 10km
    • Compatible with Cisco and other major brands
    • Digital diagnostics monitoring included
    • Easy plug-and-play installation
    Cons:
    • Limited to 10km range, not suitable for longer distances
    • Compatibility may vary with some hardware

    Best for: Network setups requiring reliable 10Gbps links within 10km, especially in office or data center environments.

    Not ideal for: Long-haul fiber links exceeding 10km or networks with non-Cisco hardware.

    • Wavelength Up:1270nm
    • Wavelength Down:1330nm
    • Transmission Distance:10km
    • Connector:LC
    • Compatibility:Cisco, Ubiquiti
    • Data Rate:10Gbps
    Our verdict
    “A solid, short-to-mid-range high-speed fiber transceiver suited for enterprise or data center use cases.”
  6. 1 Pair Simplex SC Module 3KM, 1.25G Single-Mode Fiber Connector, SFP-WDM-SM 1000BASE BiDi 1310nm/1550nm SFP Transceiver Module

    1 Pair Simplex SC Module 3KM, 1.25G Single-Mode Fiber Connector, SFP-WDM-SM 1000BASE BiDi 1310nm/1550nm SFP Transceiver Module

    Best Budget for Short-Range Single-Mode Applications

    View on Amazon

    This simplex SC module excels in supporting reliable 1.25G data transmission over 3 km of single-mode fiber, making it a solid choice for basic enterprise links. Compared with the 10Gtek 1.25G SFP Bidi, it offers a lower cost and simpler installation but sacrifices the higher speeds and longer reach. Its plug and play design simplifies deployment, yet its scope is limited strictly to single-mode fiber and basic network protocols. The absence of detailed warranty info could be a concern for large-scale deployments. Ideal for small offices or backup links where cost and simplicity matter most.

    Pros:
    • Supports stable 1.25G data transfer over 3 km
    • Easy to install with plug and play design
    • Compatible with multiple network protocols
    Cons:
    • Limited to single-mode fiber applications
    • No detailed warranty or advanced diagnostics

    Best for: Small businesses needing affordable, straightforward single-mode fiber connectivity for distances up to 3 km.

    Not ideal for: Large data centers or high-speed backbone links requiring more than 3 km or higher data rates.

    • Data Rate:1.25G
    • Reach:3 km
    • Connector:Simplex SC
    • Wavelength:1310nm/1550nm
    • Protocols:Fast Ethernet, Gigabit Fibre Channel
    • Fiber Type:Single-Mode Fiber (SMF)
    • Plug and Play:Yes
    • Power Consumption:Low
    Our verdict
    “A practical choice for budget-conscious users deploying short-range single-mode fiber links.”
  7. 5 Pairs 10G BIDI SFP+ Single Mode Fiber Module Network Transceiver LR SM 1270nm 1330nm 10km Simplex LC Interface

    5 Pairs 10G BIDI SFP+ Single Mode Fiber Module Network Transceiver LR SM 1270nm 1330nm 10km Simplex LC Interface

    Best for 10G Long-Distance Single-Mode Links

    View on Amazon

    This 10G BIDI SFP+ supports high-speed data over 10 km, making it suitable for backbone connections in medium to large networks. Unlike the 1.25G options, it provides significantly higher bandwidth, but its compatibility is limited to select brands, excluding Cisco 3000 & 6000 series and some others. Its bidirectional design with 5 pairs reduces fiber usage, yet it requires compatible equipment and technical knowledge to set up correctly. The absence of user reviews makes assessing real-world performance challenging. This pick is better suited for network administrators focusing on long-range, high-capacity links within compatible ecosystems.

    Pros:
    • Supports high-speed 10G data transmission over 10 km
    • Reduces fiber count with bidirectional technology
    • Compatible with multiple major brands (excluding some Cisco models)
    Cons:
    • Incompatible with Cisco 3000 & 6000 series
    • Limited compatibility with some brands like HP and Aruba
    • Requires technical expertise for installation

    Best for: IT professionals managing medium to large networks needing 10G fiber links up to 10 km with optimized fiber usage.

    Not ideal for: Small offices or setups requiring plug-and-play simplicity or higher compatibility with a broad range of brands.

    • Technology:BIDI single fiber
    • Data Rate:10Gbps
    • Wavelength:1270nm / 1330nm
    • Maximum Distance:10 km
    • Interface:Simplex LC
    • Fiber Type:Single Mode
    • Operating Temperature:0~70°C
    Our verdict
    “Ideal for network engineers focused on long-distance, high-speed fiber links in controlled brand environments.”
  8. 10Gtek 1.25G SFP Bidi Transceiver, Single Mode, LC Fiber Module, Up to 2km, Compatible with Cisco and Ubiquiti

    10Gtek 1.25G SFP Bidi Transceiver, Single Mode, LC Fiber Module, Up to 2km, Compatible with Cisco and Ubiquiti

    Best for Short-Range 1.25G Fiber Connectivity

    View on Amazon

    This 1.25G Bidi transceiver is tailored for short-range fiber links up to 2 km, offering a cost-effective, plug-and-play solution. Its compatibility with Cisco, Ubiquiti, and other brands makes it versatile for smaller network setups. DDM support allows real-time monitoring, which is a plus for maintaining network health. However, its limited range and lower speed make it unsuitable for long-distance or high-bandwidth applications, especially when compared to the 10G modules for backbone links. The lack of detailed user feedback adds some uncertainty about long-term reliability. This device fits best in environments where budget and quick deployment are priorities for short-distance fiber connections.

    Pros:
    • Supports real-time diagnostics with DDM
    • Compatible with multiple popular brands
    • Easy to install and replace with hot-swappable design
    Cons:
    • Limited to 2 km range
    • Not suitable for high-speed or long-distance requirements
    • Requires compatible SFP ports

    Best for: Small enterprises or remote sites needing reliable 1.25G fiber links within 2 km, especially using Cisco or Ubiquiti hardware.

    Not ideal for: Large data centers or long-distance links requiring higher speeds or extended reach beyond 2 km.

    • Wavelength:Up: TX1310nm/RX1550nm; Down: TX1550nm/RX1310nm
    • Data Rate:1.25G
    • Fiber Type:Single Mode
    • Range:Up to 2 km
    • Compatibility:Cisco, Ubiquiti, Mikrotik, D-Link, Supermicro
    • Hot-pluggable:Yes
    • DDM:Yes
    Our verdict
    “A practical, budget-friendly choice for short-distance fiber connections in small-scale networks.”
  9. 5 Pair 1.25G BiDi SFP Fiber Transceiver Module, 1000BASE-BX-D, Single-Mode Simplex LC, Tx/Rx 1490nm/1310nm, DDM, SMF, Compatible with Cisco, Ubiquiti/Unifi, Mikrotik, TP-Link and More, up to 20km

    Best for Long-Distance Enterprise Fiber Networks

    View on Amazon

    This BiDi SFP module excels in long-distance enterprise applications, supporting up to 20 km of single-mode fiber with bidirectional data. Its compatibility with many brands and inclusion of DDM for real-time diagnostics make it a versatile choice for data centers and large-scale networks. Compared to shorter-range options like the 1.25G modules, it offers impressive reach but requires more technical setup and compatible infrastructure. The 5 pairs configuration optimizes fiber utilization, yet it may be overkill for smaller networks or shorter distances. The need for compatible fiber infrastructure and technical expertise can be a barrier for some users. This pick is best suited for organizations with extensive fiber networks and long-haul needs.

    Pros:
    • Supports long-distance transmission up to 20 km
    • Includes DDM for real-time monitoring
    • Compatible with a wide range of brands
    Cons:
    • Requires compatible fiber infrastructure
    • Overly advanced for small-scale needs
    • Installation complexity may be higher

    Best for: Large enterprises or data centers requiring 20 km fiber links with robust diagnostics and broad vendor compatibility.

    Not ideal for: Small offices or environments where simple, short-range connectivity suffices without complex diagnostics.

    • Wavelength:Tx1490nm / Rx1310nm
    • Transmission Distance:Up to 20 km
    • Fiber Type:Single-Mode Fiber (SMF)
    • Compatibility:Cisco, Ubiquiti, Mikrotik, TP-Link, and more
    • Features:DDM, Hot-Swappable
    • Number of Pairs:5 pairs
    Our verdict
    “Designed for large-scale, long-distance fiber links where diagnostics and compatibility are priorities.”
  10. 1 Pair 10GBASE-BX10-UD BiDi SFP+ Module, TX 1270nm/1330nm, RX 1330nm/1270nm, 10km DOM Simplex LC/UPC SMF Optical Transceiver for Juniper Networks

    1 Pair 10GBASE-BX10-UD BiDi SFP+ Module, TX 1270nm/1330nm, RX 1330nm/1270nm, 10km DOM Simplex LC/UPC SMF Optical Transceiver for Juniper Networks

    Best for 10km Long-Distance Compatibility with Juniper Devices

    View on Amazon

    This 10GBASE-BX10-UD module targets users needing 10 km links, especially in Juniper environments. Its support for bidirectional 10G over a single fiber simplifies cabling, and its low power consumption makes it suitable for dense deployments. Compatibility with many brands, including Cisco and Mikrotik, adds flexibility. However, installation demands a certain level of technical skill, and its 10 km range makes it unsuitable for shorter or lower-speed connections. The limited user feedback and lack of detailed warranty info could be points of concern. This module suits network professionals focused on long-distance, high-speed connections in enterprise or service provider settings, particularly with Juniper hardware.

    Pros:
    • Supports 10 km transmission distances
    • Low power consumption, suitable for dense deployments
    • Compatible with many major brands
    Cons:
    • Requires technical knowledge for proper installation
    • Limited to 10 km distances
    • No extensive user feedback available

    Best for: Network engineers deploying 10 km fiber links in Juniper or multi-vendor environments requiring high-speed data and diagnostics.

    Not ideal for: Small networks or short-range setups where simpler or lower-cost modules suffice.

    • Wave length:TX 1270nm / RX 1330nm
    • Transmission distance:10 km
    • Power consumption:<1.2W
    • Compatibility:Over 100 vendors including Cisco, Mikrotik
    • Connector:LC/UPC
    • Fiber type:SMF
    Our verdict
    “A specialized choice for long-haul, high-speed fiber links in enterprise settings with Juniper or similar hardware.”
  11. 5 Pairs BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode LC, 1000BASE-LX, Single Fiber, 20km

    5 Pairs BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode LC, 1000BASE-LX, Single Fiber, 20km

    Best Overall for Long-Distance Single-Fiber Deployments

    View on Amazon

    This module stands out for its high reliability and broad compatibility with many switch brands, making it a solid choice for long-distance fiber connections. Compared to the 5 Pairs 1.25G BIDI SFP module, it offers similar data rates but includes a higher number of pairs, which can be advantageous in multi-connection setups. Its plug-and-play design simplifies installation, but its limited support with HP and Aruba devices means it’s less versatile for some enterprise environments. The 20 km reach and single-mode fiber support are ideal for extending network spans without additional equipment.

    Pros:
    • Supports long-distance transmission up to 20 km
    • Compatible with multiple switch brands
    • Easy hot-swappable plug-and-play installation
    • High reliability with over 1 million units deployed
    Cons:
    • Not recommended for HP and Aruba products
    • Limited to single fiber applications
    • Requires compatible network equipment

    Best for: Network administrators deploying long-range, single-fiber links in mixed-brand environments.

    Not ideal for: Organizations heavily invested in HP or Aruba infrastructure, due to compatibility issues.

    • Data Rate:1.25 Gbps
    • Fiber Type:Single Mode
    • Interface:LC
    • Max Distance:20 km
    • Number of Pairs:5
    Our verdict
    “This module is best suited for users needing reliable, long-distance fiber connections across diverse brands, but not for those using HP or Aruba switches.”
  12. Elfcam 1 Pair 10Gb SFP+ BIDI Transceiver Module with LC/UPC Fiber Port, Singlemode, 20KM, Compatible with Cisco, Ubiquiti, Mikrotik, D-Link, Open Switch

    Best for High-Speed, Long-Distance 10G Connections

    View on Amazon

    This pair of 10G SFP+ BIDI modules excels in delivering high-speed data over single-mode fiber up to 20 km, making it ideal for bandwidth-intensive applications. It supports a wide array of compatible devices such as Cisco and Mikrotik, similar to the Ubiquiti modules, but lacks compatibility with enterprise-grade hardware from HP or Arista. Its real-time monitoring features, like DDM, add value for network troubleshooting. However, it’s limited to 10Gbps and requires fiber optic cables, which can add to the overall deployment cost.

    Pros:
    • Supports long-distance fiber connections up to 20 km
    • Compatible with a wide range of network hardware
    • Includes real-time signal monitoring (DDM)
    • Plug-and-play and hot-pluggable
    Cons:
    • Not compatible with HP-Aruba, Intel, Arista, Mellanox, and other enterprise hardware
    • Limited to 10Gbps data rate
    • Requires fiber optic cable for operation

    Best for: Data centers or enterprise networks requiring high-speed fiber links over long distances with monitoring capabilities.

    Not ideal for: Small offices or environments where 1Gbps speeds suffice, or where compatibility with HP devices is necessary.

    • Wavelength TX:1270nm
    • Wavelength RX:1330nm
    • Max Distance:20 km
    • Compatibility:Cisco, Ubiquiti, Mikrotik, D-Link, Open Switch
    • Power Supply:3.3V
    • Standards:IEEE 802.3ae 10GBase-LR/LW
    Our verdict
    “This pick is ideal for high-speed, long-distance links in environments with compatible equipment, but it isn’t suited for budget or lower-speed applications.”
  13. 10Gtek 2-Pair of 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km

    10Gtek 2-Pair of 10G SFP+ Bidi Transceiver, LC Single-Mode, 20km

    Best for Dual-Pair 10G Long-Distance Fiber Links

    View on Amazon

    This set of two 10G SFP+ Bidi transceivers is designed for dual-fiber setups over 20 km, making it suitable for high-bandwidth backbone connections. Its support for real-time monitoring and thorough testing enhances reliability, comparable to the Elfcam modules. However, it’s limited to 10Gbps and requires compatible SFP+ ports, which might restrict its use in older or lower-capacity switches. Its dual-pair design provides redundancy and increased capacity but adds complexity for simple deployments.

    Pros:
    • Supports fiber links up to 20 km
    • Compatible with a wide range of switches and routers
    • Includes real-time DDM monitoring
    • Individually tested and reliable
    Cons:
    • Requires compatible SFP+ ports
    • Limited to 10Gbps speed
    • Price not specified, potentially higher cost

    Best for: Data centers or large enterprise networks deploying redundant, high-speed fiber links over long distances.

    Not ideal for: Small-scale networks or environments needing only single-fiber solutions at lower speeds.

    • Wavelength:Up: 1270nm/RX: 1330nm; Down: 1330nm/RX: 1270nm
    • Transmission Distance:20 km
    • Compatibility:Cisco SFP-10G-BX20D-U, Ubiquiti, Mikrotik
    • Form Factor:SFP+
    • Features:DDM, hot-pluggable
    Our verdict
    “This module pair is best for high-capacity, dual-fiber installations in demanding network environments with compatible hardware.”
  14. 5 Pairs 1.25G BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode, LX SM 1310nm 1550nm 20km, Single Fiber Interface for Router, Network Card, Switch, Firewall

    5 Pairs 1.25G BIDI SFP Network Transceiver Module, 1.25 Gigabit Single Mode, LX SM 1310nm 1550nm 20km, Single Fiber Interface for Router, Network Card, Switch, Firewall

    Best for Versatile Long-Distance 1.25G Fiber Connectivity

    View on Amazon

    This module offers solid performance for 1.25 Gbps long-distance links up to 20 km, with dual wavelengths providing flexibility for various fiber setups. It supports multiple switch brands, similar to the 5 Pairs BIDI SFP module, but its specific wavelength options at 1310nm and 1550nm make it suitable for diverse fiber types. Its hot-swappable design ensures quick deployment, though it’s not recommended for HP and Aruba products, limiting its versatility in some enterprise environments. The inclusion of a 2-year warranty adds peace of mind for reliable operation.

    Pros:
    • Supports fiber links up to 20 km
    • Compatible with multiple switch brands
    • Hot-swappable for easy installation
    • Includes a 24-month warranty
    Cons:
    • Not recommended for HP and Aruba products
    • Limited to specific fiber types and wavelengths
    • Requires compatible fiber optic cables

    Best for: Organizations needing flexible, long-distance single-mode fiber links with multiple wavelength options.

    Not ideal for: Networks heavily reliant on HP or Aruba switches, or environments requiring only a narrow wavelength range.

    • Wavelength:1310nm/1550nm
    • Data Rate:1.25 Gbps
    • Fiber Type:Single Mode
    • Distance:20 km
    • Connector:LC
    • Temperature Range:0~70℃
    Our verdict
    “This module is ideal for flexible, long-distance fiber connections in multi-vendor setups but less suitable for HP-Aruba environments.”
bidi sfp module
What makes a great bidi sfp module
1
Compatibility with Network Equipment
Ensuring the module is compatible with your existing switches, routers, or fiber infrastructure is paramount.
2
Wavelength and Duplex Type
The typical wavelengths are 1310nm and 1550nm, with some modules supporting both (bi-directional).
3
Distance Support
Distance capabilities range from 2km up to 20km or more.
4
Speed and Performance
Modules support a range of speeds, from 1.25Gbps to 10Gbps or higher.
How to choose your bidi sfp module
1
How we picked
Products were evaluated based on several critical factors: transmission speed, maximum supported distance, compatibility
2
Compatibility with Network Equipment
Ensuring the module is compatible with your existing switches, routers, or fiber infrastructure is paramount.
3
Wavelength and Duplex Type
The typical wavelengths are 1310nm and 1550nm, with some modules supporting both (bi-directional).
4
Distance Support
Distance capabilities range from 2km up to 20km or more.
5
Speed and Performance
Modules support a range of speeds, from 1.25Gbps to 10Gbps or higher.
Vetted bidi sfp module ·
The best bidi sfp module, compared
★ Winner 1.25G SFP Bidi Transceiver
Best Overall for Compatibility and Long-Distance Performance
14compared
3fiber types

How We Picked

Products were evaluated based on several critical factors: transmission speed, maximum supported distance, compatibility with common networking equipment, build quality, and value for money. We prioritized modules that reliably support single-mode fiber, as they are most relevant for long-distance enterprise and data center applications. Compatibility was verified through manufacturer documentation and user reports, ensuring the modules work seamlessly with popular network brands. We also considered customer feedback on ease of installation and durability, ranking options that balance performance with affordability. These criteria ensure that the top picks serve a broad range of professional networking needs.

Factors to Consider When Choosing Bidi Sfp Module

Choosing the right bidi SFP module involves more than just matching specs. Understanding key factors such as wavelength, distance support, and compatibility can prevent costly mistakes. It’s essential to match the module’s capabilities with your network’s requirements, considering future growth and existing hardware. A careful approach helps avoid bottlenecks, incompatible equipment, or overspending on unnecessary features. Here are the main factors to weigh when selecting a bidi SFP module:

Compatibility with Network Equipment

Ensuring the module is compatible with your existing switches, routers, or fiber infrastructure is paramount. Many modules list compatibility with brands like Cisco, Ubiquiti, and Mikrotik, but verify model-specific support to avoid issues. Some modules are more universal, supporting multiple brands and firmware versions, which makes future upgrades easier. Mismatched modules can lead to connection failures or reduced performance, so double-check compatibility before purchasing.

Wavelength and Duplex Type

The typical wavelengths are 1310nm and 1550nm, with some modules supporting both (bi-directional). Your choice should match your fiber optic infrastructure’s specifications. Using the wrong wavelength can cause signal loss or inability to connect over long distances. Additionally, confirm whether the module is simplex or duplex, as this impacts cabling requirements and network design.

Distance Support

Distance capabilities range from 2km up to 20km or more. Longer distances usually require higher-quality transceivers with better laser stability and signal amplification. If your network spans a large campus or data center, prioritize modules that support extended reach. Conversely, for short-distance connections, more affordable options may suffice, but ensure they still meet your speed requirements.

Speed and Performance

Modules support a range of speeds, from 1.25Gbps to 10Gbps or higher. Higher speeds enable faster data transfer but often come with higher costs and power consumption. Match the transceiver’s speed with your network’s backbone requirements. For general enterprise use, 1.25G modules are usually enough, while high-performance data centers may prefer 10G or 25G options.

Price and Value

Cost varies widely based on speed, distance, and brand. Budget modules can deliver reliable performance for shorter distances but may lack durability or advanced features like diagnostics. Premium options tend to offer better build quality, extended warranties, and enhanced features. Balance your budget against your network demands to avoid overspending or underperforming hardware.

Frequently Asked Questions

Can I use a 10G SFP+ module in a 1G port?

No, a 10G SFP+ module is incompatible with 1G ports. SFP+ transceivers are designed for 10Gbps speeds and require compatible hardware. Attempting to use a 10G module in a lower-speed port typically results in no connection or hardware errors. Always match the module’s specifications with your port’s capabilities for proper operation.

How do I know if a bidi SFP module is compatible with my fiber cable?

Check the wavelength and connector type of the module against your existing fiber optic cables. Most modules support standard LC connectors, but verify whether your fiber uses single-mode or multi-mode cables, and ensure the wavelength (1310nm or 1550nm) matches your fiber type. Compatibility with your equipment’s supported wavelengths and distances is also essential to maintain signal integrity.

Is it better to buy a single or multi-mode bidi SFP module?

The choice depends on your fiber infrastructure. Single-mode modules like those in this roundup are best for long-distance connections over 2km up to 20km or more. Multi-mode modules are suitable for shorter distances within buildings or campuses. Selecting the correct type prevents signal loss and ensures consistent performance, so match the module to your existing fiber cable type.

What should I consider if I want future-proof my purchase?

To future-proof, look for modules supporting higher speeds and longer distances, even if your current network doesn’t require them. Compatibility with a broad range of devices and wavelengths also provides flexibility for upgrades. Investing in modules with diagnostic features and robust build quality can extend their lifespan and ease maintenance as your network grows.

Are cheap modules reliable for critical network connections?

Lower-cost modules may be suitable for less critical or short-distance applications, but they often lack the durability and advanced features found in pricier options. For essential network links, investing in reputable brands with proven reliability and support can prevent costly downtime. Always check customer reviews and warranty terms before choosing a budget option for critical infrastructure.

Conclusion

For most users, the 1.25G SFP Bidi Transceiver offers a balanced mix of compatibility, reliability, and affordability, making it the best overall choice. Those with high-speed, long-distance needs should consider the Elfcam 10G SFP+ for its superior performance. Budget-conscious buyers will find value in the 10Gtek 1.25G SFP BIDI Transceiver, which provides solid function at a lower cost. Beginners or small businesses might prefer plug-and-play modules with straightforward installation, while large enterprises should prioritize modules with extended reach and diagnostic features for future scalability. Matching your specific network demands with these recommendations will ensure a reliable, future-ready setup.

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