The EDA4H3533P20P80 from ECHO Microwave is a Band Pass Filter with Frequency 3.52 to 3.54 GHz, Insertion Loss 8 dB, Rejection 40 to 80 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H3533P20P80 can be seen below.