The WRCGV12-815-825-845-855-70 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 825 to 845 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 WRCGV12-815-825-845-855-70 can be seen below.