The WBCDB3-434.5-453.5-456.5-475.5-50 from Wainwright Instruments is a Band Pass Filter with Frequency 453.5 to 456.5 MHz, Bandwidth 3 MHz, Center Frequency 455 MHz, Insertion Loss 0.5 to 0.6 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCDB3-434.5-453.5-456.5-475.5-50 can be seen below.