... +1 port CATV input EDFA, 32 ports of coupled 1550nm /1490nm /1310nm out 32ways GPON EDFA,High Power EDFA FWAP-1550HA Series,PON+ ... CATV EDFA Combiner,32 ports of PON+1 port ... enlarge 1550nm optical signal. FWAP-1550HA series EDFA combiner adopt 980nm or 1480nm high linearity, optical isolation, the DFB, thermoelectric ...