The WBCGV8-1423-1433-1443-1453-50 from Wainwright Instruments is a Band Pass Filter with Frequency 1.433 to 1.443 GHz, Bandwidth 10 MHz, Center Frequency 1.438 GHz, Insertion Loss 2.5 to 3 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1423-1433-1443-1453-50 can be seen below.