The EDA4H4650P500G20 from ECHO Microwave is a Band Pass Filter with Frequency 4.4 to 4.9 GHz, Insertion Loss 3.5 dB, Rejection 20 to 55 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H4650P500G20 can be seen below.