The EDA3E6550P300C25 from ECHO Microwave is a Band Pass Filter with Frequency 6.4 to 6.7 GHz, Insertion Loss 1.5 dB, Rejection 25 to 50 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3E6550P300C25 can be seen below.