The EDA4F3100P800B30 from ECHO Microwave is a Band Pass Filter with Frequency 2.7 to 3.5 GHz, Insertion Loss 1 dB, Rejection 3 to 50 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F3100P800B30 can be seen below.