The AE32000WB11560 from Anatech Electronics is a Waveguide Band Pass Filter with a center frequency of 32 GHz and bandwidth of 0.5 GHz. The filter has an insertion loss of less than 2 dB and more than 50 dB of rejection above and below the passband. This through-hole mounted bandpass filter can handle up to 10 watts of power and is available in a module that measures 80 x 15 x 8.5 mm with 2.92 mm female connectors.
