The ADBF 2259/270-A from ADMOTECH is a Band Pass Filter with Frequency 2.124 to 2.394 GHz, Bandwidth 270 MHz, Center Frequency 2259 MHz, Insertion Loss 0.5 dB, Rejection 25 to 45 dBc. Tags: Module with Connectors, Cavity Filter. More details for ADBF 2259/270-A can be seen below.