The EDA4F5040P50I60 from ECHO Microwave is a Band Pass Filter with Frequency 5.02 to 5.07 GHz, Insertion Loss 4.5 dB, Rejection 60 dB @ 4790MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F5040P50I60 can be seen below.