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Part 3 Technical specifications
General specs
Chips:u-Nav + iTrax 3
rd
generation of least power consumption with highest sensitivity
Number of channels:Receivable of signal from 12 satellites simultaneously
Receiving freq.:1575.42 MHZ。
Receiving code:L1, C/A code。
Sensitivity:-152dBm
Positioning time (average)
Re-acquisition time: 0.1 sec。
Quick Start: < 3 sec(within 25 min from last signal)
Cold start time:40 sec。
Warm start time :38 sec
Hot start time : 8 sec。
Data update automatically in every sec
Accuracy
GPS acquisition in general: Accuracy range 25 meters (dependant on surroundings)
Supportive GPS features: Accessible to EGNOS/WAAS
Position error:
< 3 meter when 3D error is at 95%。
< 6 meter when 2D vertical error is 95%。
Speed: error within 0.2 meter per sec
Acceleration: Maximum 4G (G is gravity unit)
Time:20ns。
Size
Integral parts: Receiving module, blue tooth, rechargeable Li-Ion battery, internal high
sensitive antenna
Measurement (L) 60.0 x (W)38.0 x (H)16.0 mm 。
Battery performance
Charging voltage:+3.75~+5.5V DC。
Internal Li-Ion rechargeable battery
9 continuous working hours after fully charged