The EDA4E4725P100F40 from ECHO Microwave is a Band Pass Filter with Frequency 4.68 to 4.78 GHz, Insertion Loss 3 dB, Rejection 40 dB @ 4000 to 4500MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E4725P100F40 can be seen below.