UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass

UM980 ultraLight all-band high precision RTK module with RM3100 compass

Is a next-generation, ultra-lightweight RTK GNSS solution built around the powerful UM980 module, integrated with a high-precision RM3100 compass, and external helix antenna. It is purpose-designed for weight-sensitive UAVs, robotics, and mobile applications where every gram matters. With its advanced multi-band RF front-end, the UM980 ultraLight all-band high precision RTK module is capable of simultaneously tracking all major GNSS constellations — ensuring robust positioning and centimeter-level accuracy when combined with correction data.

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Overview

Engineered for flexibility, the UM980 ultraLight multi-band high-precision RTK module supports concurrent reception of GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC, and SBAS, delivering high-performance navigation even in challenging environments. Lightweight, efficient, and reliable, it is an ideal choice for UAVs and robotic platforms requiring uncompromised performance in a compact form factor.

Supported by: PX4 Autopilot, Ardupilot

Device Features:

• Build-in professional RM3100 magnetometer
• On-board low noise 3.3V voltage regulator
• Supports RTK positioning across all major constellations
• Multi-frequency tracking for robust accuracy and fast initialization
• Power LED: violet; RTK LED: orange; Time pulse LED: green
• SMA antenna connector for external GNSS antenna attachment
• Power supply: 5 VDC
• Compact, durable enclosure with mounting base — purpose-built for UAVs and robotics
• UPrecise Unicore Evaluation Software

Physical Characteristics:

• Dimensions:
  - Device: 89 × Ø27.5 mm
  - Device with antenna: 148.7 × Ø27.5 mm
  - Device on mounting base, with antenna: 235 × Ø27.5 mm
• Weight:
  - Device: 24.5 g
  - Device with antenna: 41 g
  - Device on mounting base, with antenna: 48.5 g
  
• Water and Dust Resistance: IP55
• Operating Temperature: -10 °C ~ +60 °C
• Connector type: JST GH 6 pin, SMA
• Mounting Options: Screw mount
• RoHS & Reach Compliant
• Fully assembled, tested, and ready for use

Kit included:

• RTK receiver – 1 piece
• L1/L2/L5 Multiband RTK GNSS Active Quad Helix Antenna - 1 piece
• Cable 400mm JST GH male 6 pin to 6 pin compatible with Pixhawk – 1 piece
• 3D printed mounting - 1 piece
• Extender 100 mm - 1 piece