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Unicore UM220-INS NF GNSS/INS Module


GPS/BeiDou + MEMS Dual System Inertial Navigation Module



The UM220-INS NF from Unicore is a GPS/BeiDou + MEMS dual-system automotive and high-end navigation module based on the proprietary low power-consumption GNSS SoC UC6226. By combining a built-in 6 axis MEMS device and the signals from GPS+BeiDou, the UM220-INS NF delivers excellent positioning results that are suitable for high accuracy, high reliability and high-continuity positioning applications.


  • Support for GNSS and augmentation of SBAS, QZSS
  • SMD package in mini size(16.0 mm x 12.2 mm x 2.4mm)
  • Automotive-grade product complies with AEC-Q104 and TS16949 certifications
  • Excellent navigation and positioning performance, supports independent and multi-system positionings
  • Anti-interference capability ensures stable performance in complex electromagnetic environment
  • Low power consumption
  • Supports A-GNSS and DGNSS
  • Compatible mainstream GNSS design and convenient SMD packaging


  • In-Dash Automotive Navigation
  • High-End Navigation

Technical Specifications

Channel: Based on 64-Channel SoC – UFirebird
Frequency: GPS L1, BeiDou B1
Modes: Single System Positioning
Multi-System Positioning
Time to First Fix: 30 s (Cold Start)
1 s (Hot Start)
<1 s (Reacquisition)
Update Rate: 1 Hz
Accuracy (RMS): 2.5m CEP (Dual-System)
<5% x Driving Distance (Inertial Navigation without GNSS Signal)
Velocity Accuracy (RMS): 0.1 m/s (GNSS/GPS)
0.2 m/s (BeiDou)
1PPS: Support
Sensitivity: Tracking -157 dBm (GPS) -158 dBm (BeiDou)
Acquisition -146 dBm (GPS) -145 dBm (BeiDou)
Hot Start -150 dBm (GPS -147 dBm (BeiDou)
Dimensions: 10 mm x 12.2 mm x 2.4 mm
Package: 24 pin SMD
Operating Temperature: -40°C – +85°C
Storage Temperature: -45°C – +90°C
Voltage: 2.7V – 3.6V DC
LNA: 2.7V – 3.3V, <100 mA
Power Consumption: 75 mW


The UM220-INS NF GNSS/INS module from Unicore is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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