... ports of coupled 1550nm /1490nm /1310nm out FTTH,FTTB High-Power Fiber Amplifier,YEDFA FWAP-1550HA Series,PON+CATV EDFA Combiner,32 ports ... port multiplexes 1310/1490n’s data stream and not lose.2, Double cooling system to protect the pump laser.3,RJ45 ... you! Hangzhou Fullwell Optoelectronic Equipment Co., LtdAdd:Floor 4, Building 2, No. 17 Jiuhe Road,Hangzhou,ChinaTel :0086-4006088108 , Fax:0086 ...