The WRCGV16-1412-1422-1437-1447-90 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.422 to 1.437 GHz, Bandwidth 15 MHz, Insertion Loss 1.25 to 2.25 dB, Rejection 90 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV16-1412-1422-1437-1447-90 can be seen below.