The WRCGV5-805.5-817.5-827.5-839.5-35 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 817.5 to 827.5 MHz, Bandwidth 10 MHz, Insertion Loss 0.5 to 1 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-805.5-817.5-827.5-839.5-35 can be seen below.