Terraphotonics offers a wide range of passive DWDM modules for various optical data transport needs. Their patent-based 'athermalization' technology ensures reliable and high-performance solutions for both indoor and outdoor environments. Specializing in different types of DWDM Mux and DeMux, Terraphotonics provides options for optical spectral types, bandwidths, optical bands, channel types, and customization. Their DWDM Optical Channel MUX/DMX modules come with various connectorization options to suit different telecom application environments. All modules comply with ITU G.694.1, ITU G.694.2, and ITU G.695 requirements. With Terraphotonics' versatile products, users can increase data channel capacity and extend their data network significantly while effectively managing fiber resources.