GPS Module SiRFstarIV Ct-G340 with MCX/RMCX/RSMA Connector
Product Description
The Connectec Ct-G340 S4 GPS module is a high sensitivity, low power, Surface Mount Device (SMD) that can be compatible to Ct-G348 or 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-G340 S4 provides flexible I/O interfaces (UART is default, I2C and SPI by customer requirement).
Performance
- Highest performance GPS PVT engine
- High acquisition sensitivity for fast TTFF
- Extremely low weak signal tracking sensitivity
- High jamming immunity
- Smallest footprint and total solution size
- Highest level of BOM integration
- Value added software enhancements
- Multimode A-GPS (Autonomous, MS-Based, and MS-Assisted) – Need operator Support
- Embedded CGEE / SGEE (Need server support) speed up TTFF a lot and makes cold start
time to be around 22 seconds.
- SiRFGeoRecovTM Reverse EE make positioning process being done under power saving
mode.
- Reacquisition Time: 0.1 second
- RF Metal Shield for best performance in noisy environments
Interface
- DIP type pitch 2.0mm- 2x10 pin header.
- Protocol: NMEA-0183 compliant.
- Baud Rate: 4800 bps, 9600 bps, 19200 bps, 38400 bps.
- RF Connector : MCX, Right angle MCX (RMCX) - option, Right angle SMA (RSMA) - option
Advantages
- Built-in LNA.
- Embed CGEE (Client Generated Extended Ephemeris) that can capture ephemeris data
from satellites locally and predicts ephemeris out to 3 days. So if the module was off
within 3 days, it could complete positioning process within 2 seconds just like hot start.
- It can remove in-band jammer up to 80db-Hz and track up to 8CW jammers, so the
module can prevent GPS signal interference when design-in the electrical device with
noisy electrical signal interferences such as Laptop, mobile phone, DSC, etc.
- Maintain tracking sensitivity as low as -163dBm, even without network assistance. (SiRF
StarIII has only -159dBm sensitivity)
- 5 Hz Navigation Update Rate : User can select 1 Hz or 5 Hz navigation update rate.
(V4.1.0 firmware will be support)
- SBAS Ranging : SBAS satellite measurements will be used in the navigation solution for
improved DOP and coverage.(V4.1.0 firmware will support)
- Suitable for battery drive devices that need lower power consumption application
- Ideal for high volume mass production(Taping reel package)
- Cost saving through elimination of RF and board to board digital connectors .
Performance
- Highest performance GPS PVT engine
- High acquisition sensitivity for fast TTFF
- Extremely low weak signal tracking sensitivity
- High jamming immunity
- Smallest footprint and total solution size
- Highest level of BOM integration
- Value added software enhancements
- Multimode A-GPS (Autonomous, MS-Based, and MS-Assisted) – Need operator Support
- Embedded CGEE / SGEE (Need server support) speed up TTFF a lot and makes cold start
time to be around 22 seconds.
- SiRFGeoRecovTM Reverse EE make positioning process being done under power saving
mode.
- Reacquisition Time: 0.1 second
- RF Metal Shield for best performance in noisy environments
Interface
- DIP type pitch 2.0mm- 2x10 pin header.
- Protocol: NMEA-0183 compliant.
- Baud Rate: 4800 bps, 9600 bps, 19200 bps, 38400 bps.
- RF Connector : MCX, Right angle MCX (RMCX) - option, Right angle SMA (RSMA) - option
Specification
|
| Feature |
Item |
Description |
| Chipset |
GSD4e |
SiRF StarIV low power single chipset |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
48 |
| Accuracy |
Position |
<2.5 meters |
| 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. |
|
DynamicConditions
|
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 |
2.8 ~ 5.0 VDC input |
| Power consumption |
50 mA (Tracking Mode) |
| Backup Power |
2.8 ~ 5.0 VDC battery input |
| Serial Port |
Pin Header |
DIP type pitch 2.0mm 2x10 pin header |
| Electrical interface |
UART : NMEA-0183@4800bps |
| Protocol messages |
NMEA-0183@4800 bps (Default) |
|
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