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AI Overview
Key Characteristics and Technical Specifications
- Data Rate: 1.25Gbps (Gigabit Ethernet / 1x Fibre Channel).
- Transmission Distance: Up to 100km (some models support up to 120km–160km).
- BiDi Technology: Uses a single strand of single-mode fiber (SMF) via WDM (Wavelength Division Multiplexing), typically with 1490nm Tx/1550nm Rx or 1550nm Tx/1490nm Rx pairings.
- Interface: Simplex LC or SC connector.
- Laser Type: Often utilizes high-performance DFB (Distributed Feedback) lasers and APD (Avalanche Photodiode) receivers to ensure signal integrity over long distances.
- Compatibility: Widely compatible with Cisco, Mikrotik, Huawei, TP-Link, and Zyxel networking equipment.
- Operating Voltage: 3.3V with low power consumption, typically <700mW.
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Web results
1.25G SFP 1000BASE BIDI 100km TX1550nm/RX1490nm ...
Fibertop
https://www.fibertopsfp.com › 1.25G BIDI LC SFP
Fibertop
https://www.fibertopsfp.com › 1.25G BIDI LC SFP
The 1.25G SFP 1000BASE BIDI 100km transceivers are high performance, cost effective modules supporting data rate of 1.25Gbps and 100km transmission distance ...
1.25G SFP BIDI 1490/1550nm 80km 100km 120km 160km ...
Amazon.com
https://www.amazon.com › 1-25G-1550nm-100km-Opt...
Amazon.com
https://www.amazon.com › 1-25G-1550nm-100km-Opt...
1.25G SFP BIDI 1490/1550nm 80km 100km 120km 160km 190km LC Fiber Optical Module(1 Pairs 100KM LC): Amazon.com: Industrial & Scientific.
SFP-S145L2100/S154L2100-D 1.25G 100KM LC DOM ...
MeFiberOptic.Com
https://mefiberoptic.com › product › sfp-1-25g-bidi-100...
MeFiberOptic.Com
https://mefiberoptic.com › product › sfp-1-25g-bidi-100...
Oct 8, 2025 — Features SFP-S145L2100/S154L2100-D 1.25G 100KM LC DOM Optical Transceiver: Up to 20 km transmission on SMF; Up to1.25 Gbps; 1310nm FP laser and ...Read more
1.25 Gigabit SM SFP Transceiver | DLC | 1310nm/100km
LAN Shack
https://www.lanshack.com › ...
LAN Shack
https://www.lanshack.com › ...
This Small Form-factor Pluggable (SFP) fiber module supports Gigabit Ethernet transmission over singlemode fiber cable up to 100km @ 1310nm.
$81.11In stock$19.65 delivery30-day returns
LINK-PP 1.25G BiDi SFP 1490nm-TX/1550nm-RX 100km DOM ...
L-P.com
https://www.l-p.com › ... › 1G BiDi SFP
L-P.com
https://www.l-p.com › ... › 1G BiDi SFP
LINK-PP LS-BL49551G-A0C 1.25G BiDi SFP 1490nm-TX/1550nm-RX 100km DOM Simplex LC/UPC SMF Optical Transceiver Module ; Stock: 770 in Stock . ; LINK-PP Part Number
1.25Gbps BiDi SFP Module Single SC 3/10/20/40/100km ...
AliExpress
https://www.aliexpress.com › item
AliExpress
https://www.aliexpress.com › item
1.25Gbps BiDi SFP Module Single SC 3/10/20/40/100km Mini GBIC Fiber Optical Transceiver For Mikrotik,Cisco,TP-link,Zyxel SwitchRead more
$14.16In stock15-day returns
1.25G BiDi SFP Tx1490/Rx1550nm 100KM LC Optical Transceiver
Etulinktechnology
https://www.etulinktechnology.com › 1-25g-bidi-sfp-tx1...
Etulinktechnology
https://www.etulinktechnology.com › 1-25g-bidi-sfp-tx1...
Key Features: Dual data-rate of 1.25Gbps/1.063Gbps operation; 1490nm DFB laser and APD photodetector for 100KM transmission; 1550nm DFB laser and APD ...
Generic SFP-10G-BX100-D Compatible 10G SFP+ BiDi ...
Optcore
https://www.optcore.net › Product
Optcore
https://www.optcore.net › Product
This Generic SFP-10G-BX100-D compatible SFP+ BiDi transceiver supports 10GBASE-BX100 throughput up to 100km over a single strand of single-mode fiber (SMF).Read more
$299.00In stock$6 delivery30-day returns
1550 TX/1490 RX,. SFF-8472 (DDM), MSA Compliant
ADECOMM
https://adecomm.com › product › adecomm-transceiver-s...
ADECOMM
https://adecomm.com › product › adecomm-transceiver-s...
The Adecomm Transceiver GBIC BIDI TYPE (SFP LC Connector), Voltage: 3.3V, Distance:100Km, WL: 1550 TX/1490 RX, Output Power: +4 to +6 // RX(dBm) ...
1.25G BIDI 100km 1490nm/1550nm LC/SC DDM Optical SFP ...
Alibaba.com
https://www.alibaba.com › ... › Fiber Optic Equipment
Alibaba.com
https://www.alibaba.com › ... › Fiber Optic Equipment
Supply Voltage:3.3V;Data Rate:1.25Gpbs;Transmission distance:100km;Wavelength:1490nm/1550nm;Power:-1~4dBm;Sensitivity:< -28dBm;Fiber Type:SMF;Interface:BIDI ...
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