The WBCGV6-866.5-876.5-886.5-896.5-50-3 from Wainwright Instruments is a Band Pass Filter with Frequency 876.5 to 886.5 MHz, Bandwidth 10 MHz, Center Frequency 881.5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-866.5-876.5-886.5-896.5-50-3 can be seen below.