The WBCTB3-887.5-896-899-907.5-30 from Wainwright Instruments is a Band Pass Filter with Frequency 896 to 899 MHz, Bandwidth 3 MHz, Center Frequency 897.5 MHz, Insertion Loss 1.25 to 1.5 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-887.5-896-899-907.5-30 can be seen below.