The EDA4D3000P10E55 from ECHO Microwave is a Band Pass Filter with Frequency 3 to 3.01 GHz, Insertion Loss 2.5 dB, Rejection 55 dB @ DC to 2100 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4D3000P10E55 can be seen below.