The EMA8F1030P6D20D from ECHO Microwave is a Band Pass Filter with Frequency 1.02 to 1.03 GHz, Insertion Loss 2 dB, Rejection 20 to 55 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F1030P6D20D can be seen below.