The ADBF 8400/50-A from ADMOTECH is a Band Pass Filter with Frequency 8.37 to 8.42 GHz, Bandwidth 50 MHz, Center Frequency 8400 MHz, Insertion Loss 1 dB, Rejection 40 dBc. Tags: Module with Connectors, Cavity Filter. More details for ADBF 8400/50-A can be seen below.