Polstar igeo-pro
1. Features
Polstar iGeo-Pro PBT-648 - Page 1
- Introduction
Polstar Technologies is another manufacturer that has recently released a SiRF III enabled BT GPS device, their iGeo-Pro. We compared the device with the most famous SiRF III GPS from Globalsat. The results should be interesting. But first, let's take a look at some background information on Polstar Technologies.
- Polstar Technologies background
Polstar Technologies was founded in 2003. Head-quartered at Taiyuan Science Park, Hsinchu, TAIWAN, Polstar concentrates on
GPS related technologies. As Polstar states "...We treat our customers as
the most precious assets, take honest as our keystone, and services as our first
priority. With these humanity principles, we build up our company images and
creditability, and make us toward a world class corporation. Polstar is not just a GPS manufacturer; Polstar aims to be different. Our core competency is based on the strong integration and innovation capabilities with both hardware and software. Polstar not only manufacturers products, it creates smart devices..."
- Polstart iGeo-Pro
The Polstar i-Geo PRO is a high performance Bluetooth GPS receiver that is both compact and portable. The sleek and distinct i-Geo PRO fits in your hand or pocket easily, allowing you to take it wherever you go. With the Polstar i-Geo PRO, you can now add full GPS navigation capabilities to your PDA, smart phone or laptop at minimal cost while enjoying performance that rivals dedicated GPS navigators. Experienced and new users alike will be able to operate the i-Geo PRO with minimal effort. Because it employs the SiRFstarIII chipset, users will enjoy unsurpassed positioning accuracy and performance.
Powered by Li-ion rechargeable batteries with an impressive battery life, the i-Geo PRO is as easy to carry around as your mobile phone. Date transmission and connections via Bluetooth eliminate any need for wires, and the Bluetooth transmitter allows GPS data to be transmitted to your PDA, smart phone or any other Bluetooth enabled device within 10 meters. The high-sensitivity GPS receiver will pick up the weakest of signals, allowing you to place your i-Geo PRO anywhere without compromise, and enabling you to begin navigation immediately with the very fast Time-To-First-Fix.
- Used chipset
The SiRF III chipset has the following specifications:
Chipset: |
SiRF Star III WAAS enabled |
Frequency: |
1, 1575.42 MHz |
C/A code: |
1.023 MHz chip rate |
Channels: |
20 channel all-in-view tracking |
Sensitivity |
Acquisition: -148dBm |
Position Accuracy: |
10 meters, 2D RMS |
~ 5 meters, 3D RMS WAAS |
|
Velocity: |
0.1 m/s |
Time: |
us synchronized to GPS time |
Default: |
WGS-84 Acquisition Time (Open sky, stationary) |
Reacquisition: |
0.1 sec., average |
Hot start: |
1 sec., average |
Warm start: |
38 sec., average |
Cold start: |
42 sec., average |
Altitude: |
18,000 meters (60,000 feet) max. |
Velocity: |
515 meters/second (1000 knots) max. |
Acceleration: |
Less than 4g |
Jerk: |
20 m/sec |
Protocol messages: |
NMEA-0183 output protocol, Bluetooth Interface Baud Rate 4800bps |
Output format: |
GGA(1sec), GSA(5sec), GSV(5sec), RMC(1sec) |
Operating temperature: |
-20° to 60° C |
Humidity: |
5% to 95% Non-condensing |
Looking at the SiRF III specs, you'll notice that the chipset is capable of receiving up to 20 satellites (actually 12 maximum), has very fast Hot/Warm/Cold start times and its accuracy is ~5m when WAAS mode is enabled.
