The HPE HP JL660A is a 10GBASE-LR SFP+ transceiver module designed for long-haul fiber connectivity. It supports 10 Gbps data transfer over single-mode fiber with a reach of up to 10 kilometers. The module provides reliable and efficient long-distance data transmission, making it suitable for connecting distant network sites and extending network reach. Ideal for data centers and enterprise networks requiring high-speed, long-range connectivity.