1. SiRF starIII high
performance GPS Chip Set
2. Very high sensitivity (Tracking
Sensitivity: -159 dBm)
3. Extremely fast TTFF (Time
To First Fix) at low signal level
4. Compact size (25.4mm
* 25.4 mm * 3.3mm) suitable for space-sensitive application
5. One size component,
easy to mount on another PCB board
6. Support NMEA 0183
and SiRF binary protocol
| General |
| Chipset
SiRF StarIII |
| Frequency
L1, 1575.42 MHz |
| C/A
code 1.023 MHz chip rate |
| Channels
20 channel all-in-view tracking |
| Sensitivity
-159 dBm |
| Accuracy |
| Position
10 meters, 2D RMS |
| 5
meters, 2D RMS, WAAS enabled |
| Velocity
0.1 m/s |
| Time
1us synchronized to GPS time |
| Datum |
| Default
WGS-84 |
| Acquisition
Time |
| Reacquisition
0.1 sec., average |
| Hot
start 1 sec., average |
| Warm
start 38 sec., average |
| Cold
start 42 sec., average |
| Dynamic
Conditions |
| Altitude
18,000 meters (60,000 feet) max |
| Velocity
515 meters /second (1000 knots) max |
| Acceleration
Less than 4g |
| Jerk
20m/sec **3 |
| Power |
| Main
power input 3.3V +- 5% DC input |
| Power
consumption 68mA (Continuous mode) |
| Interface |
| Dimension
25.4mm * 25.4 mm * 3.3mm |
| Baud
rate 4,800 to 57,600 bps adjustable |
| Output
message SiRF binary or |
| NMEA
0183 GGA, GSA, GSV, RMC, VTG, GLL |
