The EDA4F2840P560E3 from ECHO Microwave is a Band Pass Filter with Frequency 2.56 to 3.12 GHz, Insertion Loss 2.5 dB, Rejection 3 to 40 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2840P560E3 can be seen below.