GPS/GNSS/GALILEO/SBAS ModuleThe Ct-G354 utilized SiRFstarVâ„¢ and features Quad-GNSS for tracking GPS, GLONASS, BDS and Galileo satellites. The product family delivers highly accurate continuous location, advanced power management and high interference immunity. These continue to push the envelope of performance in sensitivity, TTFF and urban canyon availability and accuracy. With a built-in DSP and extremely low power consumption, the family can get fast location fixes for geo-tagging images or videos, asset tracking and wearable applications.
Performance
- GPS, GLONASS, Galileo and SBAS reception for high GNSS availability and accuracy
- High sensitivity navigation engine (PVT) tracks as low as GPS:-165dBm,GLONASS:- 161dBm
- 52 track verification channels
- SBAS (WAAS or EGNOS,MSAS)
- Active Jammer Remover, removes in-band jammers up to 80 dB-Hz
- racks up to 8 CW jammers
- Multimode A-GPS (Autonomous, MS-Based, and MS-Assisted) – Need operator support
- Embedded CGEE / SGEE (With back-end server support) speed up TTFF a lot and makes cold start time to be around 20+ seconds.
- SiRFGeoRecovTM Reverse EE makes positioning process being done under power saving mode.
- Reacquisition Time: 0.1 second
- RF Metal Shield for best performance in noisy environments
Hardware and Software
- Based on the high performance features of SiRFstarVâ„¢ low power single core logic.
- Adaptive micropower controller
- Only 50 to 500μA maintains hot start capability (core logic)
- < 10mW required for TricklePowerâ„¢ mode
- RoHS compliant (lead-free)
- Advanced navigation features
- Smart sensor supported by I²C interface
- External interrupt input for context change detection
- MMCX RF Connector
- Dimension : 36 x 24 x 10.5 mm
Technical Specifications
| 　Feature | Item | Description |
| 　Chipset | GSD5e/ROM base | SiRF starV low power single chipset |
| 　General | Frequency GPS | L1, 1575.42 MHz |
| Frequency GLONASS | L1, 1602~1615 MHz | |
| C/A code | 1.023 MHz chip rate | |
| Channels | 52 | |
| Sensitivity GPS | -165 dB | |
| Sensitivity GLONASS | -161 dB | |
| 　Accuracy | Position | <2.5 meters |
| Velocity | 0.01 meters/second | |
| Time | 1 uS 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. | |
| Environmental Specification | Operating temperature range | -40 deg. C to +85 deg. C |
| Storage temperature range | -50 deg. C to +95 deg. C | |
| Humidity | Up to 95% non-condensing or a wet | |
| Bulb temperature of +35 deg. C | ||
| Jerk | 20 meters/second3, max. | |
| 　Power | Main power input | 3.0 ~ 3.6 VDC input |
| Power consumption | Average 60mA (Tracking Mode) | |
| Backup Power(V_RTC) | 3.0 ~ 3.6V DC battery input | |
| Serial Port | Electrical interface | Default UART |
| Protocol messages | NMEA-0183@9600 bps | |
| sical Specification | 36 mm x 24 mm x 10 mm ± 0.3mm | |
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