The ADBF 5480/20-A1 from ADMOTECH is a Band Pass Filter with Frequency 5.47 to 5.49 GHz, Bandwidth 20 MHz, Center Frequency 5480 MHz, Insertion Loss 3 dB, Rejection 45 to 75 dB. Tags: Module with Connectors, Cavity Filter. More details for ADBF 5480/20-A1 can be seen below.