The WBCGV5-861.5-871.5-881.5-891.5-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 871.5 to 881.5 MHz, Bandwidth 10 MHz, Center Frequency 876.5 MHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV5-861.5-871.5-881.5-891.5-40-1 can be seen below.