Detail overview CISCO - Sfp (mini-gbic) Transceiver Module (GLC-LH-SMD). Key Features : Device Type : Sfp (mini-gbic) Transceiver Module - Lc Enclosure Type : Plug-in Module Cabling Type : 1000base-lx, 1000base-lh Data Transfer Rate : 1 Gbps Optical Wave Length : 1310 Nm Data Link Protocol : Gigabit Ethernet Max Transfer Distance : 6.2 Miles Features : Flow Control, Vlan Support, Full Duplex Mode Condition : Refurbished. Availability : In Stock. Our Warranty : 30 Days.