The WRCGV8-827-835-840-848-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 835 to 840 MHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-827-835-840-848-80-1 can be seen below.