The D-Link DEM-310GT is a high performance 1310nm multimode/Singlemode SFP (mini-GBIC) transceiver. Supporting full duplex, Gigabit speeds on multimode/Singlemode fiber for distances of up to 550m/550m/10km on 62.5m/50m/9m respectively. The DEM-310GT features a metal housing to reduce EMI and to increase durability. The DEM-310GT is also hot pluggable and is backed by a standard 2-year product warranty and free technical support.