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 Ct-G431 |
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The Ct-G431 GPS module is a high sensitivity, low power, Surface Mount Device (SMD) that fully utilized SiRFstarIV upgrade features. This 48-channel global positioning system (GPS) receiver is designed for a wide range of OEM applications and is based on the GPS signal search capabilities of the SiRFstarIV GSD4e chipset, SiRF’s newest chipset technology.
The Ct-G431 provides flexible I/O interfaces (UART is default, I2C and SPI by customer requirement).
The Ct-G431 is designed to allow quick and easy integration into GPS-related applications such as:
- PDA, Pocket PC, Tablet and other computing devices
- Fleet Management /Asset Tracking
- AVL and Location-Based Services
- Hand-Held Device for Personal Positioning and Navigation
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| Feature |
Item |
Description |
| Chipset |
GSD4e |
SiRFstarIV low power single chipset |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
48 |
| Sensitivity |
-163 dB |
| Accuracy |
Position |
＜2.5M |
| Velocity |
0.1 meters/second |
| Time |
1 microsecond synchronized to GPS time |
| Datum |
Default |
WGS-84 |
| Other |
selectable for other Datum |
Time to First Fix (TTFF)
(Open Sky
&
Stationary Requirements) |
Reacquisition |
0.1 sec., average |
| Snap start |
1 sec., average |
| Hot start |
1 ~ 2 sec. |
| Warm start |
9 ~ 15 sec. |
| Cold start |
25 ~ 35 sec. |
Dynamic Conditions |
Altitude |
18,000 meters (60,000 feet) max. |
| Velocity |
515 meters/second (1000 knots) max. |
| Acceleration |
4g, max. |
| Jerk |
20 meters/second3, max. |
| Power |
Main power input |
1.71 ~ 1.89 VDC input |
| Power Consumption |
41 mA (Tracking Mode) |
| Backup Power |
1.71~1.89 VDC input |
| Serial Port |
Electrical interface |
Default UART:NMEA-0183@4800bps |
| Protocol messages |
(I2C TBA) |
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