The EDA4E3040P15L45 from ECHO Microwave is a Band Pass Filter with Frequency 3.03 to 3.05 GHz, Insertion Loss 6 dB, Rejection 45 to 80 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E3040P15L45 can be seen below.