1.25Gb SFP Optical Module, 1550nm Single Mode Single Fiber SFP Transceiver, up to 20Km, Support DDM, for Huawei, for ZTE, for H3C, for Cisco, for RIGOAL, for HP, Routers, Firewalls, Network Cards:
Syrotech 20KM 1.25G 1310 Single Mode Single Fiber SFP Module - Pair : Amazon.in: Computers & Accessories
China Good Quality SFP Module – 1.25G Single Mode 20Km DDM | Single Fiber SFP Transceiver JHA5420D-35 – JHA factory and suppliers | JHA