The EMA8J2760P60I55DL from ECHO Microwave is a Band Pass Filter with Frequency 2.73 to 2.79 GHz, Insertion Loss 4.5 dB, Rejection 55 dB @2640MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2760P60I55DL can be seen below.