The MFC21000 from Microwave Filter Company is a Bandpass Filter (BPF) with a passband from 3800 to 4200 MHz. It has a tunable bandwidth with a passband insertion loss of less than 0.6 dB and provides an out-of-band rejection of more than 55 dB. This BPF is ideal for eliminating interference from 5G and any other potential source of interference. It is available in a module for outdoor applications with CPR-229G input waveguide interface and CPR-229F output waveguide interface.