有興趣的人可以參考看看吧！
SiRFStar IIIe/LP的性能似乎蠻強悍的，其他廠商應該也會陸續推出相關產品。
【連結】
http://www.leadtek.com.tw/cht/gps/overview.asp?lineid=8&pronameid=145
【規格】
- Position accuracy of 10 meters 2D RMS
- Cold/Warm/Hot Start Time: 42/38/1 Seconds (Signal Strength > 30 dB-HZ)
- Reacquisition Time: 0.1 seconds
- Support Standard NMEA-0183 at 38400 bps baud rate (Defined by customer 4800 up to 512000)
- Support Power Saving Mode
- Compatible with Bluetooth devices with Serial Port Profile (SPP)
- Superior Sensitivity for Urban Canyon and Foliage Environment
- Ultra s mall , sleek, and lightweight design easily fits in your hand
- Two LEDs show Bluetooth and GPS.
- Li-polymer battery lasts for about 3 hours of use in connection / 10 hours in Scan Mode
- On/off slide switch
- Dimension: 61.4mm x 42.3mm x 25.4mm
【外型】
