The EMA8F1230P130F30D from ECHO Microwave is a Band Pass Filter with Frequency 1.17 to 1.3 GHz, Insertion Loss 3 dB, Rejection 30 dB @ 1110 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F1230P130F30D can be seen below.