The WRCGV8-825-833-843-851-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 833 to 843 MHz, Bandwidth 10 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-825-833-843-851-40 can be seen below.