General Description

The 1.25G 1490nm/1550nm LC Single Fiber Optical Transceiver 1.25G 100km SFP Module is designed for high-performance and long-distance data transmission in network equipment. This Bi-Directional (BIDI) transceiver operates at a data rate of 1.25Gbps and supports transmission distances up to 100 kilometers over single-mode fiber (SMF). Utilizing different wavelengths for transmitting (1490nm) and receiving (1550nm), it optimizes the use of a single fiber strand for efficient data communication.

Key Features

  • High Data Rate: Capable of data transmission rates up to 1.25Gbps, ensuring reliable and fast network connectivity.
  • Long Distance Transmission: Supports transmission distances up to 100 kilometers, ideal for long-haul network links.
  • Bi-Directional Communication: Uses separate wavelengths (1490nm TX and 1550nm RX) for simultaneous transmission and reception on a single fiber, enhancing fiber utilization.
  • Simplex LC Connector: Equipped with a simplex LC connector for easy installation and fiber management.
  • Compatibility: Adheres to industry standards, ensuring compatibility with a wide range of network equipment.


  • Data Rate: 1.25Gbps
  • Wavelengths: 1490nm (TX) / 1550nm (RX)
  • Connector Type: Simplex LC
  • Cable Type: Single-Mode Fiber (SMF)
  • Transmission Distance: Up to 100km
  • Transmitter Type: Laser Diode
  • Receiver Type: PIN Photodiode
  • Form Factor: SFP (Small Form-factor Pluggable)
  • Protocols: Supports Ethernet, Fiber Channel, and other network protocols


The 1.25G 1490nm/1550nm LC Single Fiber Optical Transceiver SFP Module is suitable for a wide range of applications, including:

  • Telecommunications: Ideal for telecom networks requiring long-distance, high-capacity data links.
  • Metro Networks: Perfect for metropolitan area networks (MANs) where long-reach and efficient fiber use are essential.
  • Enterprise Networks: Enhances enterprise network infrastructures with robust and extended connectivity solutions.
  • Fiber to the Home (FTTH): Provides a reliable and high-speed optical link for delivering internet services to residential users over long distances.


  • Extended Reach: 1.25G 100km SFP Capable of supporting long-distance communication up to 100km, making it suitable for extensive network deployments.
  • Efficient Fiber Utilization: Bi-directional operation over a single fiber reduces the need for additional fiber strands, lowering infrastructure costs.
  • High Performance: Ensures stable and high-quality data transmission, supporting critical network operations and services.
  • Compatibility: Adherence to industry standards guarantees interoperability with a wide range of network devices and systems.

The 1.25G 1490nm/1550nm LC Single Fiber Optical Transceiver SFP Module offers a cost-effective and efficient solution for long-distance, high-speed data communication, making it an excellent choice for various networking environments that demand reliable and extended reach connectivity.



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