Product Description: DWDM is the use of broadband and low loss characteristics of single-mode fiber, the use of multiple wavelengths as carriers, allowing each carrier channel simultaneously transmitted within the fiber. Features: 100GHz ITU channel spacing, low insertion loss, high speed transmission, high channel isolation, high stability and reliability, a plastic optical path. Application: channel multiplexing / demultiplexing, DWDM networks, routers, optical amplifiers, cable television networks.