The EDA3F1230P128F30 from ECHO Microwave is a Band Pass Filter with Frequency 1.17 to 1.29 GHz, Insertion Loss 3 dB, Rejection 30 dB @ DC to 1100MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3F1230P128F30 can be seen below.