The WRCGV10-781-791-821-831-50-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 791 to 821 MHz, Bandwidth 30 MHz, Insertion Loss 1 to 1.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-781-791-821-831-50-3 can be seen below.