CWDM cartridge module is a TFF(thin film filter) based wavelength division multiplexing technology, which has a variety of wavelengths and optional link structure. It multiplexes optical signals of different
Corflute sheet are sheeting extruded from polypropylene. It is more durable than corrugated fiberboard, but lighter in weight than wood and solid PVC sheets.
Clock is double face, high-quality PC panel,complex design galvanized steel clock minute hand, hour hand and ,skeleton behind is also made of galvanized steel tube.