The WRCGV6-861.5-871.5-881.5-891.5-25-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 871.5 to 881.5 MHz, Bandwidth 10 MHz, Insertion Loss 0.65 to 0.75 dB, Rejection 25 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-861.5-871.5-881.5-891.5-25-1 can be seen below.