The ADFM 2140/80-12.5A from ADMOTECH is a Band Pass Filter with Frequency 2.1 to 2.18 GHz, Bandwidth 80 MHz, Insertion Loss 1.1 dB, Power 100 W, Return Loss 20 dB. Tags: Module with Connectors, Cavity Filter. More details for ADFM 2140/80-12.5A can be seen below.