The EDA4F3200P600C50 from ECHO Microwave is a Band Pass Filter with Frequency 2.9 to 3.5 GHz, Insertion Loss 4.5 dB, Rejection 50 dB @ 2200MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F3200P600C50 can be seen below.