The A65-MH549 from Akon Inc is a Band Pass Filter with Frequency 4 to 6.5 GHz, Insertion Loss 1.4 dB, Rejection -60 to -35 dBc, Upper Rejection -60 dBc, Lower Rejection -35 dBc. Tags: Module with Connectors, Drop-In, Combline Filter. More details for A65-MH549 can be seen below.