155Mbps SFP Optical Transceiver, 2km Reach Fibertower Communications Base Info Model NO.:FSP1303-02xxTrademark:FibertowerOrigin:ChinaHS Code:85177060 Description Pre:2.5Gbps SFP Optical Transceiver, 2km Reach Next:10gbps XFP Optical Transceiver, 80km Reach