The LevelOne SFP-1311 is a high-performance and cost-effective single-mode SFP transceiver. For use with 100BASE-FX, it offers up to 155Mbps bidirectional data transfer rate on a single duplex fiber core. When used with 9 micrometer fiber optic cable, a distance of up to 20 km can be achieved. The SFP-1311 transceiver works at a wavelength of 1310nm with an FP laser diode light source and has an LC connector.