The EMA8J1150P100E20D from ECHO Microwave is a Band Pass Filter with Frequency 1.1 to 1.2 GHz, Insertion Loss 2.5 dB, Rejection 20 to 40 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1150P100E20D can be seen below.