The WBCGV3-1254.5-1422-1437-1604.5-50 from Wainwright Instruments is a Band Pass Filter with Frequency 1.422 to 1.437 GHz, Bandwidth 15 MHz, Center Frequency 1.4295 GHz, Insertion Loss 0.75 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV3-1254.5-1422-1437-1604.5-50 can be seen below.