Wavelength: 1310nmWORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules. TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools. TECHNICAL SPECS: 1000BASE-LH | 1 Gbps | Single Mode (SMF) | LC Connector | 1310nm | Digital Diagnostic Monitoring (DDM) | Distances up to 20km (12.4mi). 100% CISCO GLC-LH-SMD COMPATIBLE SFP TRANSCEIVER: Works with Cisco switches like Firepower, IE2000, IE4000, C9300, IE3000 and others.