The EDA3D4287P425E40 from ECHO Microwave is a Band Pass Filter with Frequency 4.08 to 4.5 GHz, Insertion Loss 2.5 dB, Rejection 40 dB @ 3230 MHz, Return Loss 16 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3D4287P425E40 can be seen below.