The AE3237B1363 from Anatech Electronics is a cavity band pass filter that has a center frequency of 3237.5 MHz and a 50 MHz bandwidth. The filter has an insertion loss of less than 1 dB, return loss of 15 dB and out of band attenuation of more than 50 dB. It can handle up to 25 W of power and is matched to 50 Ohms. The AE3237B1363 is available with SMA female connectors in a module that measures 98 x 67 x 25 mm.