TP-Link Gigabit SFP Module Single-mode MiniGBIC LC interface Up to 10km distance

The TL-SM311 series Fiber Module Cards are introduced for extending transfer distance. Attached to our managed/smart switches, they can extend the distance to several kilometres even tens of kilometres which can basically satisfy the distance requirement of LAN. Users can choose whether and which items to use the fibre modules according to the demand in order to lower cost.