The MAX2670 from Maxim Integrated is a RF Amplifier with Frequency 1575 MHz, Gain 14.5 to 21 dB, Noise Figure 1 to 2 dB, Output Power -19 to 5.3 dBm, Output Power 0 to 0.003 W. Tags: Surface Mount, Low Noise Amplifier. More details for MAX2670 can be seen below.