NaviSys Technology - Your Location Partner
User’s Manual - GR-312
4
Horizontal Position
Accuracy
< 2.5m (Autonomous)
< 2.0m (WAAS)
(50% 24hr static, -130dBm)
Velocity Accuracy
<0.01 m/s (speed)
<0.01
°
(heading)
(50%@30m/s)
Time accuracy
1
µ
s or less
TTFF (Time to First Fix)
(50%, -130dBm,
autonomous)
Hot Start: 1s
Warm Start: 35s
Cold Start: 42s
Sensitivity
(Autonomous)
Tracking: –159dBm
Acquisition: -142dBm
(-142dBm 28dB-Hz with 4dB noise figure)
Measurement data output
Update time: 1 second
NMEA output protocol: V.3.00
Baud rate: 4800 bps (8-N-1)
Datum: WGS-84
Default: GGA, GSA, RMC, VTG at 1Hz and GSV at 1/5Hz
Max. Altitude
<18,000 m
Max. Velocity
<1,852 km/hr
SBAS Support
Optional WAAS, EGNOS
Dynamics
<4g
Bluetooth
Version
Version 2.0
Class
2
Communication range
10m
Communication profile
SPP (Serial Port Profile)
Data Logging
Capacity
131,071 way points
Logging information
Date, time, latitude, longitude, altitude, speed
User ID
Length of 32 alpha-numeric characters
Data formats
NMEA, KML, CSV
1.5 Electrical and Environmental Data
GR-312 is built-in with a small backup battery for GPS performance enhancement
reason only. The optional power source accessory, BB-100, could be used to power
GR-312.
Power
Power consumption
73mA, continuous tracking mode
Power supply
3.3V ~ 5.5V
