Telecast's Coarse Wavelength Division Multiplexers multiply your fiber capacity by up to 8 times. Available as 4-channel and 8-channel devices, and in both the 1300nm and 1550nm ranges, these modules are designed to fit into the Viper II frame. Using the demux device at both ends allows you to employ CWDM in 2-way configurations. For use with both analog and digital systems, wherever fiber is at a premium.