The WBCGV4-1475-1525-1559-1609-25-3 from Wainwright Instruments is a Band Pass Filter with Frequency 1.525 to 1.559 GHz, Bandwidth 34 MHz, Center Frequency 1.542 GHz, Insertion Loss 0.65 to 0.75 dB, Rejection 25 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-1475-1525-1559-1609-25-3 can be seen below.