The FS SFP-10GLR-31 10G SFP+ 1310nm 10km LR Transceiver Module is a high-quality optical transceiver module designed for use in enterprise networking setups. With a maximum data rate of 10 Gbps, this module is compatible with universal brands and features a single optical LC network port for easy installation and reliable performance. Manufactured in China, this transceiver module is ideal for extending the reach of 10 Gigabit Ethernet connections up to 10 km.