The EDA4F1100P300B25 from ECHO Microwave is a Band Pass Filter with Frequency 950 MHz to 1.25 GHz, Insertion Loss 1 dB, Rejection 25 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F1100P300B25 can be seen below.