The EDA4E1223P120F55L from ECHO Microwave is a Band Pass Filter with Frequency 1.16 to 1.28 GHz, Insertion Loss 3 dB, Rejection 5 to 55 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E1223P120F55L can be seen below.