The MAX2688 from Maxim Integrated is a RF Amplifier with Frequency 1575.42 MHz, Power Gain 11.6 to 15.4 dB, Noise Figure 0.8 dB, Output Power -6 dBm, Output Power 0.0003 W. Tags: Surface Mount, Low Noise Amplifier. More details for MAX2688 can be seen below.