The EMA8J1795P170E30D from ECHO Microwave is a Band Pass Filter with Frequency 1.71 to 1.88 GHz, Insertion Loss 2.5 dB, Rejection 30 dB @ 1670 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1795P170E30D can be seen below.