The EDA4L1043P40M85R from ECHO Microwave is a Band Pass Filter with Frequency 1.02 to 1.06 GHz, Insertion Loss 6.5 dB, Rejection 5 to 85 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4L1043P40M85R can be seen below.