The EMA8H1660P120E47D from ECHO Microwave is a Band Pass Filter with Frequency 1.6 to 1.72 GHz, Insertion Loss 2.4 dB, Rejection 47 dB @ 1542 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H1660P120E47D can be seen below.