The EMA10F1950P60C40D from ECHO Microwave is a Band Pass Filter with Frequency 1.92 to 1.98 GHz, Insertion Loss 1.5 dB, Rejection 40 dB @ 1805 to 1880 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA10F1950P60C40D can be seen below.