The EMA8H751P10G55D from ECHO Microwave is a Band Pass Filter with Frequency 746 to 756 MHz, Insertion Loss 3.5 dB, Rejection 55 dB @ 777 to 787 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H751P10G55D can be seen below.