The EDA4H3533P40N40 from ECHO Microwave is a Band Pass Filter with Frequency 3.51 to 3.55 GHz, Insertion Loss 7 dB, Rejection 5 to 80 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H3533P40N40 can be seen below.