The EMA8F2140P60D60D from ECHO Microwave is a Band Pass Filter with Frequency 2.11 to 2.17 GHz, Insertion Loss 2 dB, Rejection 60 dB @ 1920 to 1980 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F2140P60D60D can be seen below.