The WRCGV12-816.5-826.5-846.5-856.5-70-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 826.5 to 846.5 MHz, Bandwidth 20 MHz, Insertion Loss 1.25 to 2 dB, Rejection 70 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-816.5-826.5-846.5-856.5-70-1 can be seen below.