The WRCGV10-861.5-871.5-891.5-901.5-60-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 871.5 to 891.5 MHz, Insertion Loss 1 to 1.5 dB, Rejection 60 dB, VSWR 1.50:1, Center Frequency 881.5 MHz. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-861.5-871.5-891.5-901.5-60-1 can be seen below.