The EDA4D3000P200C43 from ECHO Microwave is a Band Pass Filter with Frequency 2.9 to 3.1 GHz, Insertion Loss 1.5 dB, Rejection 25 to 43 dB, Return Loss 10 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4D3000P200C43 can be seen below.