The EMA8J1680P70H60D from ECHO Microwave is a Band Pass Filter with Frequency 1.65 to 1.72 GHz, Insertion Loss 4 dB, Rejection 60 dB @ 1600 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1680P70H60D can be seen below.