The EMA8H1280P6F60D from ECHO Microwave is a Band Pass Filter with Frequency 1.27 to 1.28 GHz, Insertion Loss 3 dB, Rejection 60 dB @ 1210MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H1280P6F60D can be seen below.