The WBCGV6-823-833-843-853-50 from Wainwright Instruments is a Band Pass Filter with Frequency 833 to 843 MHz, Bandwidth 10 MHz, Center Frequency 838 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-823-833-843-853-50 can be seen below.