Type: High Precision RTK GNSS Module
Model: JS-ARK28-3
Params: Receiver Type Dual-band (L1+L5) multi-constellation high-precision GNSS receiver
Constellations & Frequency Bands GPS L1/L5; BDS B1I/B1C/B2I/B2B/B2A; Galileo E1/E5; GLONASS G1; QZSS L1/L5; IRNSS L5; SBAS
Tracking Channels 200
Sensitivity Tracking & Navigation: -165dBm; Reacquisition: -159dBm; Hot Start: -159dBm; Cold Start: -148dBm
Time to First Fix (TTFF) Cold Start: 28s; AGPS: 1.5s; Hot Start: 1s (all satellites at ≥-130dBm)
Positioning Accuracy (CEP) Single Point: Horizontal 1.0m, Vertical 2.0m; RTK: Horizontal 1.0cm+1ppm, Vertical 1.5cm+1ppm (open sky, 50% CEP, 24h static, ≥-130dBm, >6SVs)
Time Accuracy PPS: <20ns RMS
Velocity Accuracy 0.1m/s CEP (50%@30m/s dynamic operation)
Operating Limits Dynamics: ≤4g; Altitude: 20000m; Velocity: 500m/s (airborne platform ≤4g)
Baud Rate 115200-2M bps (default: 115200bps; 2M bps for debug log)
Max Data Update Rate 20Hz (default: 1Hz; 20Hz requires specific firmware support)
Supported Protocols NMEA 0183 (Input/Output, ASCII); RTCM3.X (Input/Output)
Power Supply Voltage 3.3V-5.5V (Typical: 5.0V)
Operating Current 32mA-42mA @3.3V (Typical: 37mA @3.3V)
Backup Battery Voltage: 1.8V-3.6V (Typical: 3.3V); Current: 14uA @3.3V
Operating/Storage Temperature Operating: -40℃ to 85℃ (without Farah capacitor); Storage: -40℃ to 85℃
Farah Capacitance Temperature -25℃ to 60℃ (hot start unavailable outside this range)
Humidity 95%
Mechanical Dimensions 28.0×28.0×8.0mm ±0.3mm
Weight <12.0g
Antenna Type Passive antenna (25.0×25.0×2.0mm L5 stacked on 18.0×18.0×2.0mm L1)
Magnetometer Options Default: IST8310 (0x0F); Optional: QMC5883L (0x0D), VCM5883 (0x0C)
Compliance RoHS compliant
Material: Plastic + Metal + Ceramic
Applicable Industry: · UAV/Drones: Aerial surveying, autonomous flight and precise positioning
· Automotive Navigation and Tracking: Vehicle positioning, navigation and fleet management
· Smart Robots: Autonomous navigation and precise movement control
· Wearable Devices: Personal positioning and safety monitoring
· Intelligent Logistics Dispatch: Asset tracking and efficient dispatch management
· Personal & Workforce Safety IoT: Real-time location monitoring for personnel safety
· AVL and Location-Based Services: Automatic vehicle location and location-based applications
· Smart Handhelds: High-precision positioning for mobile data collection
