The ADBF 2250/510-A from ADMOTECH is a Band Pass Filter with Frequency 1.99 to 2.5 GHz, Bandwidth 510 MHz, Center Frequency 2250 MHz, Insertion Loss 1 dB, Rejection 30 dBc. Tags: Module with Connectors, Cavity Filter. More details for ADBF 2250/510-A can be seen below.