The EMA8J1215P53F60D from ECHO Microwave is a Band Pass Filter with Frequency 1.19 to 1.24 GHz, Insertion Loss 3 dB, Rejection 60 dB @ Fc ± 70MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1215P53F60D can be seen below.