The BA012D4 from Mitsubishi Electric US, Inc. is a RF Amplifier with Frequency 1.85 to 1.91 GHz, Output Power 28.6 dBm, Output Power 0.72 W, Saturated Power 28.6 dBm, Saturated Power 0.72 W. Tags: Surface Mount, Power Amplifier. More details for BA012D4 can be seen below.