1. SiRF star III high performance GPS Chipset
2. Very high sensitivity (Tracking Sensitivity: -159 dBm)
3. Extremely fast TTFF (Time To First Fix) at low signal level
4. Two serial ports
5. 4Mb flash
6. Built-in LAN
7. Compact size (28mm * 20 mm * 2.9mm) suitable for space-sensitive application
8. One size component, easy to mount on another PCB board
9. Support NMEA 0183 and SiRF binary protocol