Fiber Optic Transceiver SFP bidi 3km single mode transceiver module is a various brand-compatible. The 1.25G transcciver features a unique wavelength configuration, transmitting at 1550nm and receiving at 1310nm, enabling bidirectional communication over a single fiber strand. With a transmission distance capability of up to 3 kilometers, this module is ideal for dense wavelength division multiplexing (DWDM) or bidirectional communication scenarios where fiber resources are limited. The bidi transceiver module is equipped with LC/UPC connectors, ensuring a secure and reliable optical connection. Suitable for a wide range of networking applications, making it an excellent choice for upgrading or expanding your network infrastructure.