This 40GBASE-LR4 QSFP+ 1310nm 10km LC-Duplex Transceiver is designed for high-speed data transmission with a range of up to 10km. It supports 40Gbps data rates and is suitable for 40 Gigabit Ethernet applications. With its small form factor pluggable design, this transceiver provides reliable, low-power, high-speed data transmission at 1310nm.