Dielectric Laboratories / Knowles 26GHz to 39GHz Mounted Evaluation Boards for 5G Bandpass Filters feature 5G bandpass filters that are mounted on eval boards for engineers to use without needing the entire 5G kit. Dielectric Laboratories / Knowles 26GHz to 39GHz Eval Boards for 5G Bandpass Filters can also be tested with the other components within the 5G kits. FPC Couplers and PDW Power Dividers are just a few of the options Knowles provides to go with these boards.