The WBCGV4-800-830-845-875-30-1 from Wainwright Instruments is a Band Pass Filter with Frequency 830 to 845 MHz, Bandwidth 15 MHz, Center Frequency 837.5 MHz, Insertion Loss 0.65 to 0.75 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-800-830-845-875-30-1 can be seen below.