User's Manual
2. Specifications
๎งจTechnical specification
Feature Item Description
Chipset MT 3318f +6601 GPS single chip + Bluetooth chipset
General Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 14/32
3 meters, 2D RMS
2.5 meters 2D RMS, WAAS corrected
Position
<2.5 meters (50%)
Velocity 0.1 meters/second
Accuracy
Time 1 microsecond synchronized to GPS time
Default WGS-84 Datum
Other selectable for other Datum
Reacquisition 0.1 sec., average
Hot start 1 sec., average typical TTFF
Warm start 36 sec., average typical TTFF
Time to First Fix
(TTFF)
(Open Sky &
Stationary
Requirements)
Cold start 38 sec., average typical TTFF
Altitude 18,000 meters (60,000 feet) max.
Velocity 515 meters/second (1000 knots) max.
Acceleration 4g, max.
Dynamic
Conditions
Jerk 20 meters/second
3
, max.
Main power input DC 5.0V
Operation hours 10 hours in continuous mode
670 mA
Power
Battery
Built-in Li-Polymer battery
Electrical interface UARTS Serial Port
Protocol messages NMEA-0183 V3.01