The EDA4E4070P1H28 from ECHO Microwave is a Band Pass Filter with Frequency 4.07 to 4.071 GHz, Insertion Loss 3.7 dB, Rejection 28 to 45 dB, Return Loss 11 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E4070P1H28 can be seen below.