The MAX2687 from Maxim Integrated is a RF Amplifier with Frequency 1575.42 MHz, Power Gain 14 to 17.7 dB, Noise Figure 0.85 dB, Output Power -9.3 dBm, Output Power 0.0001 W. Tags: Surface Mount, Low Noise Amplifier. More details for MAX2687 can be seen below.