The EMA8J1030P5H60D from ECHO Microwave is a Band Pass Filter with Frequency 1.02 to 1.03 GHz, Insertion Loss 4 dB, Rejection 60 dB @ 1005MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1030P5H60D can be seen below.