The EMA8J2655P70G40D from ECHO Microwave is a Band Pass Filter with Frequency 2.62 to 2.69 GHz, Insertion Loss 3.5 dB, Rejection 40 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2655P70G40D can be seen below.