SiRFstar III
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SiRFstar III is a GPS processing chip manufactured by SiRF Technology, Inc. It is used in some newer portable GPS units such as the Garmin GPSMap 60CSx. It is able to acquire a much better than older chips. It works in many cases in narrow streets, in trains, sometimes even indoors, where older chips don't get a useable signal any more. The chip uses 200,000 correlators to fix the position, and will operate on 20 channels with signals as low as -159 dBm. Also supports WAAS.
Devices using SiRFstar III
The following devices are known to use the SiRFstar III chipset:
- Fujitsu-Siemens PocketLoox N560
- Garmin Edge 305
- Garmin Edge 705
- Garmin Forerunner 205
- Garmin Forerunner 305
- Garmin GPSMap 60Cx
- Garmin GPSMap 60CSx
- Garmin GPSMap 76Cx
- Garmin GPSMap 76CSx
- Globalsat BT-338
- Globalsat DG-100
- Mio P550
- Nokia LD-4W
- Royaltek RGM-3800
