Sarantel and u-blox have collaborated on a new 'smart antenna' reference design to shorten time to market and reduce the risk of GPS integration for products ranging from personal navigators to multimedia players with built-in navigation functions. The new design uses Sarantel's GeoHelix-P2 GPS antenna and the high sensitivity LEA-4S GPS module from u-blox.
Based on the Antaris 4 chipset, the LEA-4S GPS module combines superior sensitivity with low power consumption in a package that measures just 17 x 22 mm. u-blox's award-winning SuperSense software extends positioning coverage to weak signal areas, such as indoor car parks or dense urban canyons. It offers -158 dBm tracking sensitivity without raising power consumption at low signal levels, says u-blox. The LEA-4S module supports DGPS, WAAS/EGNOS, and is AssistNow-ready. This enables instant positioning on demand, even in weak signal environments.
The GeoHelix-P2 GPS antenna from Sarantel offers a broad, omni-directional reception pattern combined with immunity to proximity detuning. This makes it well-suited for mobile terminals and portable navigation devices. The GeoHelix-P2 is designed to be an embedded antenna, with a slim profile well suited to thin consumer portables.
Sarantel and u-blox optimised the reference design to take advantage of the GeoHelix antenna's superior filtering properties, maximising the performance of the combination of antenna and receiver.
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