The A65-MH542 from Akon Inc is a Band Pass Filter with Frequency 12.5 to 16.5 GHz, Insertion Loss 1 dB, Rejection -50 dBc, Upper Rejection -50 dBc, Lower Rejection -50 dBc. Tags: Module with Connectors, Drop-In, Combline Filter. More details for A65-MH542 can be seen below.