The EDA3D4040P500D10 from ECHO Microwave is a Band Pass Filter with Frequency 3.79 to 4.29 GHz, Insertion Loss 2 dB, Rejection 10 to 15 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3D4040P500D10 can be seen below.