The EMA8J2720P100F60D from ECHO Microwave is a Band Pass Filter with Frequency 2.67 to 2.77 GHz, Insertion Loss 2.5 dB, Rejection 3 to 60 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2720P100F60D can be seen below.