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Unicore UM220-IV NL GNSS Module


GPS/BeiDou Professiona Grade Navigation/Positioning Module



The UM220-IV NL from Unicore is a 4th generation dual-system GNSS navigation and positioning module for the navigation market. It uses proprietary GNSS SoC UC6226, which boasts high integration, low power consumption and anti-interference module.


  • Supports GPS and BeiDou
  • SMD package in mini size(16.0 mm x 12.2 mm x 2.4 mm)
  • Excellent navigation and positioning performance, supports independent and dual-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


  • Automotive
  • Vehicle Monitoring

Technical Specifications

Channel: Based on 64-Channel SoC – UFirebird
Frequency: GPS L1/Galileo L1, BeiDou B1/GLONASS E1/SBAS
Modes: Single System Positioning
Multi-System Positioning
Time to First Fix: <29 s (Cold Start)
1 s (Hot Start)
<1 s (Acquisition)
Update Rate: Up to 10Hz (Required customized version)
Positioning Accuracy: 2.0 m CEP (Dual-System)
Velocity Accuracy (RMS): 0.1 m/s 1sigma (GNSS/GPS)
0.2 m/s 1sigma (BeiDou)
1PPS: Support
Sensitivity: Cold Start -147 dBm (GPS) -146 dBm (BeiDou)
Hot Start -154 dBm (GPS -153 dBm (BeiDou) )
Tracking -161 dBm (GPS) -160 dBm (BeiDou)
Reacquisition -158 dBm (GPS) -157 dBm (BeiDou)
Dimensions: 16 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: 2.8V – 3.6V DC
LNA: 2.7V – 3.3V, <100 mA
Power Consumption: 50 mW


The UM220-IV NL GNSS 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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