The EDA4D4382P10E40 from ECHO Microwave is a Band Pass Filter with Frequency 4.38 to 4.39 GHz, Insertion Loss 2.5 dB, Rejection 40 to 55, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4D4382P10E40 can be seen below.