The EMA8F1795P190D30D from ECHO Microwave is a Band Pass Filter with Frequency 1.7 to 1.89 GHz, Insertion Loss 1.8 dB, Rejection 30 dB @ 1600 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F1795P190D30D can be seen below.