方案描述：

The Atmel? widely-used GPS ANTARIS? 4 chipset provides the best tracking and positioning accuracy in its class, very fast dynamic position tracking, fast time-to-first-fix figures, and increased sensitivity. It also provides maximum integration to make the best use of limited dashboard space. SuperSense? GPS weak signal tracking technology enables accurate GPS navigation in places where GPS tracking signals are often faint, such as garages, canyons, and tunnels. In addition, the Atmel advanced capacitive touchscreen technology provides fast response time, best-in-class noise immunity and signal-to-noise-ratio, as well as glove support.

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