The WBCTB3-905.5-915.5-919.5-929.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 915.5 to 919.5 MHz, Bandwidth 4 MHz, Center Frequency 917.5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-905.5-915.5-919.5-929.5-40 can be seen below.