The EMA8E1950P60B40D from ECHO Microwave is a Band Pass Filter with Frequency 1.92 to 1.98 GHz, Insertion Loss 1 dB, Rejection 40 dB @ DC to 1785 MHz, Return Loss 16 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8E1950P60B40D can be seen below.