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Unicore UM482 GNSS RTK & Heading Module


GPS/GLONASS/Galileo/BeiDou All-constellation Multi-frequency High Precision RTK and Heading Module



The Unicore UM482 high precision GNSS RTK and heading module is an multi-frequency, multi-constellation GNSS module based on the Nebulas-II GNSS SoCan. It has a small footprint and supports GPS L1/L2, GLONASS L1/L2, Galileo E1/ E5b, BeiDou B1/B2 and SBAS. The UM482 is used in a variety of applications such as drones, autonomous vehicles and mechanical control.


  • Smallest footprint in the industry, all-system multi-frequency high-precision heading module (SMD packaging)
  • Supports GPS L1/L2 + GLONASS L1/L2 + Galileo E1/E5b + BeiDou B1/B2
  • Dual antenna input
  • Supports simultaneous output of heading and positioning, 20 Hz data output rate
  • Adaptive recognition of RTCM input data format

Technical Specifications

Channels: 432
GPS: L1, L2
Galileo: E1, E5b
BeiDou: B1, B2
QZSS: L1, L5
SinglePoint Position (RMS): Horizontal – 1.5 m
Vertical – 2.5 m
DGPS (RMS): Horizontal – 0.4 m
Vertica. – 0.8 m
RTK (RMS): Horizontal – 1 cm + 1 ppm
Vertical – 1.5 cm + 1 ppm
VelocityAccuracy (RMS): 0.03 m/s
HeadingAccuracy: 0.2°@ 1 mbaseline
TimeAccuracy (RMS): 20ns
Cold Start: <40 s
Initialization Time: <5 s (typical)
Reacquisition: <1 s
Dimensions: 30 mm x 40 mm x 4mm
OperatingTemperature: -40 °C – +85 °C
StorageTemperature: -55 °C – +95 °C
Humidity: 95% non-condensing
Vibration: MIL-STD-810
Shock: MIL-STD-810

Evaluation Kits



The UM482 high precision GNSS RTK and heading module from Unicore is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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