| GLOBALSAT EM-408 GPS SIRF III ENGINE BOARD - Specification |
• SiRF
starIII high performance GPS Chipset
• Very high sensitivity (Tracking Sensitivity: -159 dBm)
• Extremely fast TTFF (Time To First Fix) at low signal level
• Compact size (36.4mm * 35.4 mm * 8.3mm) suitable for space-sensitive
application
• Support NMEA 0183 and SiRF binary protocol
| General |
|
Waffer
thin profile |
| Chipset
|
SiRF
Star III |
| Frequency
|
L1,
1575.42 MHz |
| C/A
code |
1.023
MHz chip rate |
| Channels
|
20 channel
all-in-view tracking |
| Sensitivity
|
-159
dBm |
|
| |
|
|
| Accuracy |
|
Integrated
ceramic GPS antenna |
| 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
DC input |
| Power
consumption |
75mA
(Continuous mode) |
| |
|
| Interface |
|
| Dimension
|
36.4mm
* 35.4mm * 8.3mm |
| Baud
rate |
4,800
to 57,600 bps adjustable |
| Electrical
level |
TTL
level |
| Output
voltage level |
0V ~
2.85V |
| Output
message |
SiRF
binary or NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL |
| |
|
| Environmental |
|
| Operating
Temp |
-40°C
to +85°C |
|
|
|
|
