JS-SK43H-AH
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JS-SK43H-AH
High Precision Antennas / Choke Ring Antennas
Jumpstar JS-SK43H-AH Multi-Band High-Precision RTK Positioning & Heading Smart Antenna Module - 789 Channels, Anti-Interference/Anti-Spoofing, Ultra-Short Baseline Heading Solution
789 Massive Hardware Channels
Simultaneous multi-constellation & multi-band signal tracking, stronger satellite processing capability.
Four Anti-Interference Technologies
AIM+/LOCK+/IONO+/APME+ full-scenario protection, stable in complex environments.
Centimeter-Level RTK + High-Precision Heading
RTK accuracy 0.6cm+0.5ppm, ultra-short baseline heading down to 0.03°.
Ultra-Low Latency
Signal delay <10ms(99.9%), perfect for high-dynamic drones & autonomous equipment.
Compact Integrated Design
48.0×43.2×37.0mm, weight <24g, ideal for space-constrained applications.
Multi-Band High-Precision RTK Positioning & Heading Smart Antenna Module
JS-SK43H-AH is a compact, multi-frequency, high-precision RTK positioning and heading smart antenna module. It adopts GNSS+ high-reliability receiving technology, equipped with interference & spoofing detection and automatic mitigation functions, setting a performance benchmark for mass-market GNSS positioning.
With full-view satellite tracking and 789 super channels, it ensures reliable high-precision positioning in challenging environments. Featuring industry-leading ultra-low power consumption and dual-antenna ultra-short baseline heading, it is widely used in drones, robots, precision agriculture, surveying mapping and autonomous systems.
It is ideal for UAV navigation & heading, autonomous robots, precision agriculture, maritime navigation, smart ports, automotive autonomous driving and high-precision positioning terminals.
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Key Features & Benefits
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789 High-Speed Channels Massive channel architecture, supports full-constellation four-band synchronous tracking.
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Four Advanced Protection Tech AIM+ anti-interference/spoofing; LOCK+ anti-shock; IONO+ anti-ionospheric; APME+ anti-multipath.
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Positioning + Heading Integration Centimeter-level RTK and ultra-short baseline heading output in one module.
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20Hz High-Speed Update RTK positioning/heading data up to 20Hz, adapts to high-dynamic motion control.
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Ultra-Low Latency 99.9% signal delay <10ms, meets real-time control of autonomous equipment.
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Dual-Antenna Interface Built-in MCX dual antenna connector, easy heading deployment without complex wiring.
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Rich Protocol Support NMEA 0183, SBF, RTCM3.X (MSM included) standard protocols.
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Industrial-Grade Reliability -40℃~85℃ operating temperature, adapts to harsh outdoor environments.
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Technical Specifications
GNSS Performance
| Receiver Type | Multi-band RTK positioning & heading smart antenna module |
| Supported Constellations & Bands | BDS: B1I/B1C/B2a/B2I/B2b/B3I; GPS: L1C/A/L1C/L2PY/L2C/L5; GLONASS: L1CA/L2CA/L2P/L3 CDMA; Galileo: E1/E5a/E5b/E6; QZSS: L1C/A/L1C/B/L2C/L5/L6* |
| Hardware Channels | 789 channels |
| Sensitivity | Tracking: -150dBm(20dB-Hz); Acquisition: -140dBm(30dB-Hz) |
| Time to First Fix | Cold Start: 35s; Warm Start: 10s; Recapture: 1s; RTK Initialization: 7s (baseline <30km) |
| Positioning Accuracy (RMS) | 3D: H 1.5m, V 2m; DGNSS: H 0.4m, V 0.7m; RTK: H 0.6cm+0.5ppm, V 1cm+1ppm |
| Heading Accuracy | 1m baseline: Heading 0.15°, Pitch/Roll 0.25°; 5m baseline: Heading 0.03°, Pitch/Roll 0.05° |
| Time & Speed Accuracy | PPS: 1.4ns; Event: <3ns; Speed: 3cm/s; Delay: <10ms(99.9%) |
| Max Update Rate | 20Hz |
| Antenna | Active antenna; Default passive antenna: φ35mm×25mm; Aux antenna gain: 15~35dB |
Interfaces & Power
| Baud Rate | 4800bps~4Mbps (Default: 115200bps) |
| Supported Protocols | NMEA 0183(v2.3/v3.03/v4.0); SBF; RTCM3.X(MSM included) |
| Interfaces | 8-pin connector (GND/TX2/PPS-RX2/SDA/SCL/TX1/RX1/VCC); Dual MCX antenna ports |
| Power Supply | 4.8~5.5V (Typical: 5.0V) |
| Operating Current | Acquisition: 135~190mA@5V; Tracking: 133~175mA@5V |
| Backup Power | 0.07F |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -45℃ ~ +85℃ |
| Humidity | 95% |
| Mechanical Dimensions | 48.0mm × 43.2mm × 37.0mm ±0.3mm; Weight: <24g |
| Compliance | RoHS compliant |
Typical Applications
UAV & Drone Navigation
High-precision navigation & heading for drones and UAV systems
Autonomous Robots
Unmanned systems & autonomous mobile robots
Precision Agriculture
Farm machinery navigation & precision farming
Surveying & Mapping
Geodetic measurement & mapping systems
Maritime Navigation
Vessel heading & maritime navigation
Smart Port & Logistics
Smart port security monitoring & logistics tracking
Autonomous Driving
Vehicle positioning & autonomous driving systems
High-Precision Terminals
Power grid, intelligent transportation & positioning terminals
Resources & Downloads
JS-SK43H-AH Datasheet
Complete specifications, heading accuracy, anti-interference tech and dimensions
Protocol Documentation
NMEA 0183, SBF, RTCM3.X (MSM) protocol definitions
User Manual
Quick start guide, dual-antenna heading setup, anti-interference configuration
3D CAD Model
STEP, IGES and STL formats for mechanical integration (48.0×43.2×37.0mm)
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