The EMA8J1190P40H70DL from ECHO Microwave is a Band Pass Filter with Frequency 1.17 to 1.21 GHz, Insertion Loss 4 dB, Rejection 50 to 70 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1190P40H70DL can be seen below.