The EDA4F2580P90F30 from ECHO Microwave is a Band Pass Filter with Frequency 2.54 to 2.63 GHz, Insertion Loss 3 dB, Rejection 30 to 60 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2580P90F30 can be seen below.