The EDA4C4000P64D35 from ECHO Microwave is a Band Pass Filter with Frequency 3.97 to 4.03 GHz, Insertion Loss 1.9 dB, Rejection 35 to 60 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4C4000P64D35 can be seen below.