The EMA8J1920P80G40DL from ECHO Microwave is a Band Pass Filter with Frequency 1.88 to 1.96 GHz, Insertion Loss 3.5 dB, Rejection 40 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1920P80G40DL can be seen below.