The A65-MH547 from Akon Inc is a Band Pass Filter with Frequency 3.8 to 6.2 GHz, Insertion Loss 1 dB, Rejection -60 dBc, Upper Rejection -60 dBc, Lower Rejection -60 dBc. Tags: Module with Connectors, Drop-In, Combline Filter. More details for A65-MH547 can be seen below.