Technical Specifications

Performance Specifications



Channel
64 channels, based on UFirebird IV
FrequencyGPS L1C/A 
BDS B1I, B1C
GLONASS G1
Galileo E1B/C
QZSS L1C/A, L1C/B*, L1S
SBAS  L1C/A*
ModesSingle-System Standalone Positioning
Multi-System Joint Positioning
Time to First Fix (TTFF)Cold Start < 26 s
Hot Start < 1 s
Reacquisition < 1 s
A-GNSS: < 3 s
Positioning Accuracy (CEP)Horizontal: 1.5 m (with SBAS)
Horizontal: 2.0 m (without SBAS) 
Data Update Rate1 Hz / 5 Hz / 10 Hz
Velocity Accuracy (RMS)10.05 m/s (open sky)
1PPS20ns
SensitivityGNSS
Tracking             -165 dBm
Cold Start           -148 dBm
Hot Start             -156 dBm
Reacquisition    -160 dBm
Data FormatNMEA 0183, Unicore



Physical Specifications

Dimensions

12.2 x 16.0 x 2.4 mm

Package

24 pin, LCC

Temperature

Operating -40 °C ~ +85 °C

Storage -45 °C ~ +90 °C


Electrical Specifications

Voltage2.7V ~ 3.6 V DC
LNA2.7V ~ 3.3 V, <100 mA


Functional Ports

1 × UART (LVTTL)
1 × 12C*
1 × 1PPS (LVTTL)


Functional Characteristics

Passive Antenna, Active Antenna
AGNSS

Note: * Supported by specific firmware.

1 95% at 30 m/s for dynamic operation,open sky