The A65-MH558 from Akon Inc is a Band Pass Filter with Frequency 9.48 to 9.52 GHz, Insertion Loss 6 dB, Rejection -60 dBc, Upper Rejection -60 dBc, Lower Rejection -60 dBc. Tags: Module with Connectors, Drop-In, Combline Filter. More details for A65-MH558 can be seen below.