The EDA4E2790P500C15 from ECHO Microwave is a Band Pass Filter with Frequency 2.54 to 3.04 GHz, Insertion Loss 1.5 dB, Rejection 15 to 70 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E2790P500C15 can be seen below.