The WRCGV8-810-830-885-905-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 830 to 885 MHz, Bandwidth 55 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-810-830-885-905-40-2 can be seen below.