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X43H-AH is a multi-band, multi-constellation GNSS receiver with versatile data interfaces, delivering high-precision positioning along with heading and pitch or roll for autonomous navigation. With low, predictable latency, it ensures stable control in UAVs, autonomous robots, precision systems, and driverless applications. Supporting all current and future GNSS signals, it integrates seamlessly with open-source autopilots and excels in complex environments, setting a benchmark in the GNSS mass market.
Product Features
High-performance chipset
All-in-view satellite tracking, multi-constellation, multi-frequency
789 hardware channels for simultaneous operation
Navigation update rate up to 20Hz
Ultra-low latency <10 milliseconds
Supports GPS, GLONASS, BDS, Galileo, QZSS, NavIC, SBAS satellites
Integrated TCXO, LNA, and a TF card slot supporting up to 32GB
Compact size (43.8*34.0*11.5mm±0.2mm), <25g
Supports standard NMEA 0183, SBF, RINEX, RTCM, CMR/CMR+
AIM+ with advanced features for interference and spoofing detection and automatic mitigation
LOCK+ with excellent robust tracking capability against mechanical shock and vibration
IONO+ with advanced ionospheric interference protection
APME+ multipath mitigation to separate direct signals from those reflected by nearby structures
Provides complete raw measurement data
Features interference indicator, interference mitigation, and spectrum measurement
Supports ultra-short baseline heading output
Supports GNSS navigation and Galileo OSNMA
Performance
| Parameters | Description |
| Receivable satellites | GPS : L1C/A, L1C, L2C, L2PY, L5 BDS : B1I, B1C, B2a, B2I, B2b,B3I GLONASS : L1CA, L2CA, L2P, L3 CDMA Galileo : E1, E5a, E5b,E6 QZSS : L1C/A, L1C/B, L2C, L5, L61 |
| Tracking Performance (C/NO Threshold) | Tracking and Navigation Sensitivity : 20 dB-Hz |
| Acquisition Sensitivity : 30 dB-Hz | |
| Time To First Fix (TTFF) | Cold Start : ＜35 s |
| Warm Start : ＜10 s | |
| Reacquisition : 1 s | |
| RTK Status | Horizontal Accuracy : 0.6 cm + 0.5 ppm |
| Elevation Accuracy : 1cm+1ppm | |
| Initialization Time : 7s | |
| Other Positioning Status | Horizontal Vertical |
| Standalone : 1.2 m 1.9 m | |
| DGNSS : 0.4 m 0.7 m | |
| Timing Accuracy | xPPS output : 1.4 ns |
| Event accuracy : ＜3 ns | |
| Latency | 99.9％ : ＜10 ms |
| Velocity Accuracy | 0.03 m/s (RMS) |
| Baud Rate | 4800- 4M bps ( default 115200 bps ) |
| Maximum Data Update Rate | 20 Hz |
Pin Parameters
| Name | Input/Output | Description |
| GND | - | Ground |
| VIN | Input | Power Supply Range 3.5V ~ 12V, typical 5V |
| RX1 | Input | UART1 GNSS Receive Data |
| TX1 | Output | UART1 GNSS Transmit Data |
| GND | - | Ground |
| VOT | Output | 3.3V Output, can be used to power other devices |
| RX2 | Input | UART2 GNSS Receive Data |
| TX2 | Output | UART2 GNSS Transmit Data |
| RF1 | Input | GNSS Master Antenna Interface, for positioning, supply voltage 3.0-5.5V |
| RF2 | Input | GNSS Auxiliary Antenna Interface, for orientation, supply voltage 3.0-5.5V |
| Type-C | I/O | TYPE-C Power Supply + Data Transmission |
| LED Description | ||
| RTK | Output | RTK Fix Indicator, active high. Outputs high during RTK FIX solution, low otherwise (LED off). (Green LED) |
| PPS | Output | Pulse Per Second (Green LED) |
Product Application
UAV/Drones
Base Station (X43-A only)
Intelligent Logistics Scheduling
Smart Robots
Geomatics Surveying
Precision Agriculture and Location-Based Services
Geological Hazard Monitoring
Heading Output (X43-AH only)
Vehicle-Mounted Equipment Applications
Precision Control
Protocols
| Protocol | Type |
| NMEA 0183 v2.3,v3.03,v4.0 | Input/output, ASCII |
| Septentrio Binary Format(SBF) | Input/output |
| RTCM v3.x(incl.MSM) | Input |
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