Bluetooth GPS Receiver User Manual
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3. Technical Specification
3.1.
General
Core Module: firmware by Trimmble FirstGPS
™
, chipset by Ultra low power Xemics Solution
Satellite channel number: all-in-view 8 parallel satellites;
GPS frequency: 1575.42 MHz
Receiver: L1, C/A code.
Antenna type : built-in active antenna
External connector: MMCX(standard)
3.2.
Acquisition Time
Refresh: 1 sec
Code start: <120 secs(average,
normally occurred in first use of GPS receiver life
)
Warm start <42 secs(average)
Hot start: <10 secs(average)
Position information update period: 1 sec
3.3.
Precision/ Accuracy
A) None-DGPS
Position accuracy: <5m(50% CEP) or <7m(95% CEP)
Speed: 0.05m/sec, typical
Time: 1 sec(satellite time)
B) DGPS (Difference GPS)
Location accuracy: <1m
Speed: 0.05m/sec, typical
3.4.
Dynamic condition
Altitude: 18,000m(60,000 feet)
Velocity: 515m/sec(700knod)
Acceleration: 4G(G for gravity unit)
Jerk: 20m/sec
3.5.
Power management
A)Applied External Voltage : 5V DC +/- 5%(via charge cable)
B)Power system:
Main battery: Rechargeable Lithium-ion 3.7V battery, as main power.
Backup battery:on board 3V backup battery for RTC(Real Time Clock) operating in idle .
C)Power consumption: 45mA(typical)
D)Battery endurance: Charged with 4 hours(firstly in use), more than 20 hours of working time;
3.6.
Protocol &Interface
A) Output format
