HEX Here3+ GPS with I stand

Features:

• High-precision RTK/GNSS positioning.

  
  

• Centimeter-level accuracy achievable.

  
  

• Multi-constellation support (GPS, GLONASS, Galileo, BeiDou).

  
  

• Integrated robust IMU.

  
  

• CAN bus communication interface.

  
  

• Strong anti-jamming capabilities.

  
  

• Dedicated I-Stand for optimal mounting.

  
  

• Compact, lightweight, and durable design.

  
  

• Enhanced navigation and flight stability.

  
  

• Perfect for Pixhawk and ArduPilot systems.

Technical Specifications:

• Model: HEX Here3+ RTK/GNSS GPS Module

• GNSS Receiver: U-Blox M8P or similar high-precision GNSS chip, Here3+ typically uses ZED-F9P for multi-band RTK.

• Satellite Systems Supported: GPS, GLONASS, Galileo, BeiDou, QZSS (Multi-band RTK for maximum accuracy).

• Positioning Accuracy (RTK): Centimeter-level (e.g., 1-2 cm + 1 ppm CEP) with RTK corrections.

• Positioning Accuracy (Standard GPS): ~2.5m CEP .

• IMU: Integrated IMU for improved navigation solution and dead reckoning (e.g., ICM20948, includes accelerometer, gyroscope, magnetometer).

• Communication Interface: CAN Bus

• Update Rate: Up to 10Hz or higher.

• Input Voltage: 4.75V - 5.25V DC

• Power Consumption: Varies, typically 150-250mA.

• Operating Temperature: -40°C to +85°C

• Protection Level: IP67 (Dust tight and protected from immersion in water)

• Dimensions: Approximately 70mm x 70mm x 25mm .

• Weight: Approximately 75g .

• Mounting: Designed for use with included I-Stand.

• LED Indicators: RGB LED for status indication.

Additional Details:

• Manufacturer: Holybro

• Brand: HEX (Holybro)

• Generic Name: RTK GPS Module || GNSS Receiver || Drone GPS || High-Precision GPS || UAV Navigation System || RTK GNSS || Precision Positioning Module || Drone Compass || Multi-band GPS || Autonomous Flight Sensor

• Sold By: UAV Marketplace (an authorized seller of drone gear and accessories)

• Ideal For: Precision Agriculture Drones || Surveying & Mapping UAVs || Industrial Inspection Drones || Delivery Drones || Autonomous Flight Systems || Pixhawk Flight Controllers || ArduPilot Systems || Custom High-Accuracy Drone Builds || Geological Survey Drones || Drone Research & Development

Package Details:

Includes:

• 1x HEX Here3+ RTK/GNSS GPS Module

• 1x I-Stand for Here3+/Here4 GPS

• 1x CAN Cable

Frequently Asked Questions:

Q1. What is the main advantage of the HEX Here3+ being an "RTK/GNSS" module?

Ans. The main advantage of the HEX Here3+ being an "RTK/GNSS" module is its ability to achieve centimeter-level positioning accuracy. Standard GPS modules offer meter-level accuracy. RTK (Real-Time Kinematic) technology, combined with multi-constellation GNSS (GPS, GLONASS, Galileo, BeiDou) reception, uses real-time correction data from a base station to eliminate most positioning errors, making it crucial for highly precise applications like drone mapping, precision agriculture, and autonomous landings.

Q2. How does the integrated IMU in the Here3+ benefit drone navigation?

Ans. The integrated IMU (Inertial Measurement Unit) in the Here3+ significantly enhances drone navigation by providing additional motion data (accelerometer, gyroscope, magnetometer). This data is fused with the GNSS position data, creating a more robust and reliable navigation solution, especially during brief GPS signal outages or in challenging environments. It improves attitude estimation, contributes to better dead reckoning, and helps maintain stable flight control even when GPS signals are less than ideal.

Q3. Is the HEX Here3+ directly compatible with all Pixhawk flight controllers?

Ans. The HEX Here3+ is primarily designed for direct compatibility with Pixhawk flight controllers that support the CAN bus interface (e.g., Pixhawk 4, CubePilot series, etc.). It communicates via the CAN protocol, which offers advantages like robust data transmission and daisy-chaining multiple CAN devices. While some older Pixhawk versions might require a CAN adapter or a different GPS module, the Here3+ is engineered for seamless plug-and-play operation with modern CAN-enabled ArduPilot-based systems, requiring minimal configuration in Mission Planner or QGroundControl.