The EDA3C3750P100D26 from ECHO Microwave is a Band Pass Filter with Frequency 3.7 to 3.8 GHz, Insertion Loss 2 dB, Rejection 26 to 40 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3C3750P100D26 can be seen below.