The WRCGV6-820.5-826.5-836.5-842.5-25-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 826.5 to 836.5 MHz, Bandwidth 10 MHz, Insertion Loss 0.65 to 1 dB, Rejection 25 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-820.5-826.5-836.5-842.5-25-1 can be seen below.