The WBCGV10-819-830-840-851-80-1 from Wainwright Instruments is a Band Pass Filter with Frequency 830 to 840 MHz, Bandwidth 10 MHz, Center Frequency 835 MHz, Insertion Loss 2.5 to 3.5 dB, Rejection 80 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV10-819-830-840-851-80-1 can be seen below.