SiRF Star III, User Manual

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User’s Manual
12. Specifications
GPS Features Datum
Chipset SiRF Star III WGS-84
Frequency L1, 1575.42MHz Dynamic Conditions
C/A Code 1.023MHz chip rate Altitude <18,000 m (60,000feet)
Channels Supports 20 channels Velocity <515 m/s (1000 knots)
Antenna (Internal) Built-in low noise patch antenna Acceleration <4G
External MMCX antenna port Motional Jerk 20m/sec
3
max.
Sensitivity Interface
To – 159dBm Tracking, Superior Urban Canyon
Performance Communication Protocol: Communicate with host
platform via Bluetooth (class 2) serial port profile
Time to First Fix (TTFF) Bluetooth communication distance 10meters (Typical)
Cold Start 42 sec, average GPS Protocol: Default: NMEA-0183 - RMC
Warm Start 38 sec, average Data bit: 8, stop bit: 1 (Default)
Hot Start 1 sec, average
Reacquisition 0.1 sec Device Size and Weight
Update Rate 1 Hz (max.) 77.4 (L) X 46.3 (W) X 23.2 (H) mm
Accuracy 3.05 (L) X 1.82 (W) X 0.90 (H) inch
Position 5 – 25m CEP without SA 56.5g (battery included)
Velocity 0.1m/sec, without SA Accessories
Time 1 μ s synchronized to GPS time Car charger (12V in, 5V output)
Power AC adaptor (5.3V output, 500mA)
Built-in rechargeable 1100mAh Li-ion battery and 5V
DC input
Data Logger
Operation Current 65mA (Typical) Log 249,856 records in flash memory (4M bytes)
Operation Time
17hrs, fully charged, in
continuous mode Log data: NMEA format (Longitude, Latitude, Speed,
UTC, Tag)
Sleeping Mode Sustain more than 2000 hours
Output data format: WGS84 2-degree transverse
mercator
Charging Time 3.0hrs. (Typical)
Mapping software: a. Google Earth b. TrackMaker c.
*.csv (logdata.csv)
Environmental Characteristics
Log interval: by time (1sec~30mins) or distance
(2~65535meters)
Operating Temperature - 20 ° C to + 60 ° C Vibration setting: disable/high/middle/low sensitivity
Storage Temperature - 20 ° C to + 85 ° C Goes to sleep mode if vehicle stays still for 15 minutes
Auto power on in 3 sec. when detecting vibration
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