产品描述：
FWDM can realize the multiplexing and demultiplexing between two communication channel .It can
expand the capacity of single fiber to achieve bidirectional communication, which can widely used in
optical network upgrade and expansion, or introduce new comprehensive business etc.
产品特色：
·Low insertion loss
·Low PDL
·High channel isolation
·Excellent environmental reliability
应用范围：
·WDM system
·CATV