The WBCTB3-908.5-918.5-922.5-932.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 918.5 to 922.5 MHz, Bandwidth 4 MHz, Center Frequency 920.5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-908.5-918.5-922.5-932.5-40 can be seen below.