The WTD RTXM191-404 1.25GSFP Transceiver is a high-quality 10km 1310nm single mode DDM transceiver designed for use with Gigabit Ethernet switches and routers. This unit is compatible with various brands such as Cisco, Dell, HP, and Juniper Networks, making it versatile for a wide range of networking applications. With a maximum data rate of 1000 Mbps/1 Gbps, this transceiver offers fast and reliable connectivity for enterprise networking setups. Ideal for servers and networking equipment, this unit is a crucial component for ensuring smooth and efficient data transmission.