The WRCGV10-817.5-826.5-836.5-845.5-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 826.5 to 836.5 MHz, Bandwidth 10 MHz, Insertion Loss 1 to 1.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-817.5-826.5-836.5-845.5-80-1 can be seen below.