The WBCGV6-820-830-840-850-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 830 to 840 MHz, Bandwidth 10 MHz, Center Frequency 835 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-820-830-840-850-50-1 can be seen below.