1.25G b/s, 1000Base-LX/LH SFP, 1310-nm, Dual LC Connectors, reach up to 20km transmission over single-mode fiber. Pack of 10. ^^ Widely compatible with Cisco, Ubiquiti UniFi, Meraki, Mikrotik, Intel, Fortinet, Netgear, D-Link, Supermicro, TP-Link, Broadcom, Linksys and other open switches. ^^ Plug and Play, Hot Pluggable SFP MSA Compliant, IEEE Std 802.3 ab Compliant, supports DDM/DOM. ^^ Each item is individually tested by a skilled technician to ensure premium quality, reliability and interoperability. ^^ Ideal for connecting a 1G switch, router, server, NIC and other transmission equipment to Gigabit fiber channel network for 1.25 Gigabit Ethernet communication links, LAN & SAN Networks and other optical links.