The MAX12000 from Maxim Integrated is a RF Amplifier with Frequency 1575 MHz, Gain 15 to 19.6 dB, Noise Figure 1 to 2.4 dB, Output Power -19 to 5.3 dBm, Output Power 0 to 0.003 W. Tags: Surface Mount, Low Noise Amplifier. More details for MAX12000 can be seen below.