The EDA4E2980P280D30 from ECHO Microwave is a Band Pass Filter with Frequency 2.84 to 3.12 GHz, Insertion Loss 2 dB, Rejection 30 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E2980P280D30 can be seen below.