The EDA4H1456P12N18 from ECHO Microwave is a Band Pass Filter with Frequency 1.45 to 1.46 GHz, Insertion Loss 7 dB, Rejection 18 to 55 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H1456P12N18 can be seen below.