The EDA4I2700P500G50 from ECHO Microwave is a Band Pass Filter with Frequency 2.45 to 2.95 GHz, Insertion Loss 3.2 dB, Rejection 40 to 50 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4I2700P500G50 can be seen below.