Gracyfiebr 100G DWDM AAWG (Non thermal Array Waveguide Grating) module is a passive module based on PLC (Planar Waveguide) technology, which does not require additional power supply or temperature control; At present, due to the multi-channel characteristics of DWDM AAWG, it is widely used in long-distance signal transmission such as MAN, backbone network and data center. Compared with traditional TFF (thin film filter) products, this product has the advantages of high integration, good uniformity, low PMD and low insertion loss. Gracyfiber support customized products, multiple channels, packaging methods and expansion ports for customers.