The WBCJV8-3950-4400-5000-5450-60 from Wainwright Instruments is a Band Pass Filter with Frequency 4.4 to 5 GHz, Bandwidth 600 MHz, Center Frequency 4.7 GHz, Insertion Loss 0.75 to 1 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV8-3950-4400-5000-5450-60 can be seen below.