... transmitter and prolong the signal transmission distance. The optical amplifier is Telcordia GR-1312-CORE qualified and RoHS approved. ... Standard CATV rack, easy to install and maintainApplications EDFA-TV optical amplifier is suitable for analog CATV network and optical fiber ... China,full chain of manufacturing optical line monitor, multi-channel FBG DCM module can be completed in China,even in ...