Features:1) Tracks up to 20 satellites2) According to NMEA-0183 standard3) L1 1575.42MHz, C/A 4) Hot start: 1sec (average)5) Cold start: 45sec (average)6) Acquisition time: 0.1sec (average)7) Update rate: 1sec8) Coordinate: WGS-84 Position accuracy:1) Position: 10m, 90% No SA 2) Velocity: 0.1m/s No SA3) DGPS accuracy: position: 1 - 5m (typical) 4) Velocity: 0.05m/s (typical)Dynamic conditions: 1) Altitude: 18,000m (max.) 2) Velocity: 515m/s (max.) 3) Acceleration: 4g (max.)Power dissipation:1) DC voltage: 3.3V+10%2) DC current: Environment:1) Working temperature: -40 ~ +85 degrees2) Storage temperature: -40 ~ +85 degrees3) Humidity: 95% (max.) producing area:China