A 1.25G SFP (Small Form-factor Pluggable) module, SM (Single Mode), Single Fiber, 100KM, 1550/1310, LC Connector, supports high-speed data transmission over single-mode fiber optics for distances up to 100 kilometers. It operates at 1.25 Gbps, transmitting at 1550 nm and receiving at 1310 nm wavelengths. This module is designed for reliable and efficient connectivity in telecom and enterprise networks, ensuring minimal signal loss and robust performance over extended distances.