The EDA4G1542P34J30L from ECHO Microwave is a Band Pass Filter with Frequency 1.53 to 1.56 GHz, Insertion Loss 5 dB, Rejection 15 to 45 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4G1542P34J30L can be seen below.