The WBCDB3-1428.5-1447-1450-1468.5-30 from Wainwright Instruments is a Band Pass Filter with Frequency 1.447 to 1.45 GHz, Bandwidth 3 MHz, Center Frequency 1.4485 GHz, Insertion Loss 1.25 to 1.5 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCDB3-1428.5-1447-1450-1468.5-30 can be seen below.