VK-162 USB Navigation Positioning Module For Laptops G-MOUSE GPS Receiver 1. Utilizing a 25 x 25 x 4mm high-sensitivity GPS antenna, with extremely sensitive performance 2. Employing a KDS 0.5PPM high-precision TCXO 3. Built-in RTC crystal and picofarad capacitor for faster thermal startup 4. Integrated EEPROM for flexible and extensive configuration parameters 5. 1-5Hz positioning update rate, supporting A-GPS services such as AssistNow Online and AssistNow Offline 6. GPS, GALILEO, SBAS (WAAS, EGNOS, MSAS, GAGAN) hybrid engine Parameters 1. Chip: G7020 2. Frequency: L1, 1575.42 MHz 3. Channels: 56 4. Sensitivity: tracking: -162 dBm; acquisition: -160 dBm 5. Cold start: -148 dBm 6. Warm start: average 28 seconds 7. Hot start: average 1 second 8. Maximum altitude: 50,000 meters 9. Maximum speed: 500 ms 10. Maximum acceleration: less than or equal to 4G 11. Update frequency: 1 - 10 Hz 12. Horizontal position: autonomous control less than 2.5 meters average value, SBAS less than 2.0 meters average value 13. Time pulse signal: RMS 30 ns 14. Working temperature: -40°C - 85°C 15. Storage temperature: -40°C - 85°C 16. Size: about 3.8 x 4.9 x 1.6 cm 17. USB cable length: about 2 meters 18. Weight: about 30g