The EDA4F5400P1200E40 from ECHO Microwave is a Band Pass Filter with Frequency 4.8 to 6 GHz, Insertion Loss 2.5 dB, Rejection 40 to 50 dB, Return Loss 10 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F5400P1200E40 can be seen below.