The EMA6H948P7G40D from ECHO Microwave is a Band Pass Filter with Frequency 945 to 952.5 MHz, Insertion Loss 3.5 dB, Rejection 40 dB @ 900 to 907.5MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6H948P7G40D can be seen below.