The EDEA4F5550P600E20AP from ECHO Microwave is a Band Pass Filter with Frequency 5.25 to 5.85 GHz, Insertion Loss 2.5 dB, Rejection 20 to 28 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDEA4F5550P600E20AP can be seen below.