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An SFP 1G CWDM BIDI 40km module is
a small, hot-swappable fiber optic transceiver for 1 Gigabit Ethernet, using Coarse Wavelength-Division Multiplexing (CWDM) and BiDi (Bi-Directional) technology to send and receive data over a single fiber strand up to 40 kilometers, typically using different wavelengths (e.g., 1310nm/1550nm) to save fiber resources, perfect for extending networks without adding new fiber. 
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Optcore 1.25G CWDM SFP 1270~1610nm 40km Transceiver
Optcore
https://www.optcore.net › Product
Optcore
https://www.optcore.net › Product
This 1G CWDM SFP transceiver module provides a 40km transmission distance over single-mode fiber. It features a highly reliable CWDM DFB transmitter and PIN ...
$30.00In stock$6 delivery30-day returns
1G SFP BiDi CWDM 40km Optical Transceivers
GIGALIGHT
https://www.gigalight.com › datasheets › bidi › 1g
GIGALIGHT
https://www.gigalight.com › datasheets › bidi › 1g
PDF
Features. ♢ Data-rate of 1.25Gbps operation. ♢ 1270nm~1610nm CWDM laser and PIN photodetector for 40km transmission. ♢ Compliant with SFP MSA and ...
1G SFP CWDM EX Extended | ~40 km / 19 dB, 1270 nm
Flexoptix
https://www.flexoptix.net › s-1612-19-xdi
Flexoptix
https://www.flexoptix.net › s-1612-19-xdi
Universal SFP Transceiver - CWDM. Use FLEXBOX to configure to almost any vendor CWDM for multiple applications over one duplex fiber.
Generic Compatible SFP 1000BASE-CWDM 1290nm ...
FS.com
https://www.fs.com › ... › 1G CWDM/DWDM SFP
FS.com
https://www.fs.com › ... › 1G CWDM/DWDM SFP
Generic compatible SFP transceiver supports up to 40km link lengths over single-mode fiber (SMF) via an LC duplex connector. Each SFP transceiver module is ...
1000BASE-CWDM SFP 1270-1610 nm 40 km DDM LC ...
Approved Networks
https://approvednetworks.com › ... › 1GB SFP CWDM
Approved Networks
https://approvednetworks.com › ... › 1GB SFP CWDM
This 1000Base SFP CWDM transceiver has a 1.25 Gbps data rate, 1270-1610 nm wavelength, 40 km max distance, LC connector, and supports 1000BASE Ethernet.
$88.00In stock$17 delivery15-day returns
Cisco® SFP 1G BIDI 40km Tx1310nm/Rx1550nm ...
Fibertop
https://www.fibertopsfp.com › cisco-glc-bx40-u-i-comp...
Fibertop
https://www.fibertopsfp.com › cisco-glc-bx40-u-i-comp...
The SFP 1G BIDI 40km Tx1310nm/Rx1550nm Industrial transceiver module provides a reliable rugged connectivity solution over fiber for system integrators.
1G CWDM BIDI SFP - Nexgen
nexgen.eu
https://www.nexgen.eu › ... › 1G CWDM BIDI SFP
nexgen.eu
https://www.nexgen.eu › ... › 1G CWDM BIDI SFP
The 1G CWDM BIDI SFP is a 1000Base-EX SMF SFP with 40km range, 0°C to 70°C operating temp, LC Simplex DDM, and various TX/RX wavelengths.
Cisco Compatible CWDM SFP Transceiver Modules - ENET
enetusa.com
https://www.enetusa.com › ... › Cisco® › SFP
enetusa.com
https://www.enetusa.com › ... › Cisco® › SFP
All Cisco compatible CWDM SFP transceiver modules are certified for functionality, reliability and performance under rigorous testing ...
People also ask
What is the difference between SFP and SFP+ BiDi?
SFP: Regular SFP modules usually use two different wavelengths, one for transmission and one for reception. BIDI SFP: BIDI SFP uses a single wavelength for bidirectional communication.
What is the difference between SFP and BIDI SFP and how to ... - Sopto
Sopto
https://www.sopto.com.cn › sp_news › show-27559
Sopto
https://www.sopto.com.cn › sp_news › show-27559
What is a BiDi SFP?
Bidirectional (BiDi) transceivers are SFP transceivers that are able to send and receive data on the same fiber. Without BiDi, data can only travel in one direction on a single fiber, meaning each transceiver is only uploading or downloading.
Bidirectional or BiDi Transceivers Explained - Cables and Kits
CablesAndKits
https://www.cablesandkits.com › learning-center › bidire...
CablesAndKits
https://www.cablesandkits.com › learning-center › bidire...
What is a CWDM transceiver?
The CWDM transceiver is an optical transceiver that uses CWDM technology to implement the connection between the existing network device and the CWDM mux/demux.
What is the CWDM transceiver & What are the CWDM ... - c-light.com
c-light.com
https://m.c-light.com › news › details › CWDM_transcei...
c-light.com
https://m.c-light.com › news › details › CWDM_transcei...
What is the difference between SFP duplex and BiDi?
Although the physical size of SFP BiDi and SFP Duplex modules is the same, BiDi modules use LC simplex connectors, which only require one fiber strand instead of two. This allows network devices like OLTs, ONUs, or fiber switches to accommodate more connections within the same number of ports.May 26, 2025
SFP BiDi vs Duplex: Which Optical Module Should You Choose?
Baudcom
https://www.baudcom.com.cn › blog › sfp-bidi-vs-duple...
Baudcom
https://www.baudcom.com.cn › blog › sfp-bidi-vs-duple...
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Shop for 1 GB SFP BiDi Optical Transceivers
Approved Networks
https://approvednetworks.com › ... › 1GB SFP
Approved Networks
https://approvednetworks.com › ... › 1GB SFP
1GB SFP BiDi transceivers have a 1.25 Gb/s data rate, use 1000BASE Ethernet protocol, and have a SFP-BiDi form factor.
1G BiDi SFP
GIGALIGHT
https://www.gigalight.com › 1g-bidi-sfp
GIGALIGHT
https://www.gigalight.com › 1g-bidi-sfp
The 1G BiDi SFP supports 1.25Gbps speed, 2km to 120km distance, is compatible with 1G fiber channel, and has a single LC or SC port.
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