OPSTRAN SFP transceiver supports up to 40km link lengths over single-mode fiber (SMF) via an LC duplex connector. Each SFP transceiver module is individually tested to be used on various brands of switches, routers, servers, network interface card (NICs) etc.The hot-swappable 1G SFP transceivers feature low power consumption and CWDM technology, which saves fiber resources by combining optical signals of different wavelengths through an external WDM and transmitting them over a single fiber. Ideal for Internet Service Provider (ISP) Gigabit Ethernet communication links, Enterprise LAN & SAN Networks, Data Center LAN & SAN Networks and other optical links.