The WRCGV8-823.5-831.5-841.5-849.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 831.5 to 841.5 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 WRCGV8-823.5-831.5-841.5-849.5-40-2 can be seen below.