Product Description SHARETOPâ??S Coarse Wavelength Division Multiplexer (CWDM) devices demonstrate low loss and reliable performances. It can not only increase efficiency, but also reduce costs These devices show broad passband and high isolation, making them ideal for operation with inexpensive, uncooled lasers. They are low cost products for the CATV and metro/access markets.Easily customizable, SHARETOPâ??S CWDM can be configured from a standard list of packaging and connector options. Features lLow insertion loss lHigh channel isolation lLow polarization dependent loss lExceptional reliability and stability Applications lAccess networks lMetro WDM Systems lEnterprise networks