The EDA4F5840P100I50 from ECHO Microwave is a Band Pass Filter with Frequency 5.79 to 5.89 GHz, Insertion Loss 4.5 dB, Rejection 50 dB @ 280 to 680MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F5840P100I50 can be seen below.