The MMZ09312BT1 from NXP Semiconductors is a RF Amplifier with Frequency 400 MHz to 1 GHz, Power Gain 31.7 dB, Small Signal Gain 24.5 to 26 dB, Noise Figure 4 dB, Output Power 29.6 dBm. Tags: Surface Mount, Driver Amplifier, Power Amplifier. More details for MMZ09312BT1 can be seen below.