... /1490nm /1310nm out FTTH,FTTB High-Power Fiber Amplifier,YEDFA FWAP-1550HA Series,PON+CATV EDFA ... Combiner out , Each output port for optical amplifier has built-in well-performed CWDM, and 1550nm ... 1310/1490n’s data stream and not lose.2, Double cooling system to protect the pump ... Fullwell Optoelectronic Equipment Co., LtdAdd:Floor 4, Building 2, No. 17 Jiuhe Road,Hangzhou,ChinaTel :0086-4006088108 ...