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UM980

UM980

GPS/BDS/GLONASS/Galileo/QZSS All-constellation Multi-frequency High Precision RTK Positioning Module

Unicore's new-generation proprietary high-precision RTK positioning module. The module supports all currently available constellations and frequencies. It features a 50Hz RTK data update rate, and supports PPP, including E6 HAS and BDS B2b. With its excellent performance, UM980 is well-suited for high-precision surveying-grade applications, including surveying and mapping, precision agriculture, and deformation monitoring.

multi frequency

UM980 Features

  • Based on the new generation GNSS SoC -NebulasIV, which integrates RF, baseband and high precision algorithm

  • All-constellation multi-frequency RTK engine and advanced RTK technology 

  • Instant RTK initialization technology

  • 60 dB narrowband interference suppression and interference detection

  • Heading2 technology to provide orientation information

  • STANDALONE single-station high-precision positioning technology

  • Supports B2b-PPP and E6-HAS

UM980 Technical Specifications

Performance Specifications


Channel1408 channels, based on NebulasIV
FrequencyGPS L1C/A, L1C, L2C, L2P(Y), L5
BDS B1I, B2I, B3I, B1C, B2a, B2b
GLONASS G1, G2, G3
Galileo E1, E5a, E5b, E6
QZSS L1C/A, L1C, L2C, L5
NavIC L5
SBAS L1C/A
Single Point Positioning(RMS)Horizontal: 1.5m
Vertical: 2.5m
DGPS (RMS)Horizontal: 0.4m
Vertical: 0.8m
RTK (RMS)Horizontal: 0.8cm+1ppm
Vertical: 1.5cm+1ppm
PPP (RMS)Horizontal: 5cm
Vertical: 10cm
Observation Accuracy (RMS)BDSGPSGLONASSGalileo
B1I/B1C/L1C*/L1C/A/G1/E1 Code10cm10cm10cm10cm
B1I/B1C/L1C*/L1C/A/G1/E1 Carrier Phase1mm1mm1mm1mm
B2I/B2a/B2b*/L5/E5a/E5b Code10cm10cm10cm10cm
B2I/B2a/B2b*/L5/E5a/E5b Carrier Phase1mm1mm1mm1mm
B3I/L2P(Y)/L2C/G2 Code10cm10cm10cm10cm
B3I/L2P(Y)/L2C/G2 Carrier Phase1mm1mm1mm1mm
Time Accuracy(RMS)
20 ns
Velocity Accuracy (RMS)
0.03 m/s
Cold start
< 12 s
Initialization Time
< 5 s (typical)
Initialization Reliability
> 99.9%
Data Update Rate
50 Hz* (RTK+Raw Data)
Differential DataRTCM V3.X
Data FormatNMEA 0183, Unicore


Physical Characteristics

Packaging

54 pin LGA

Dimension

17.0 × 22.0 × 2.6 mm

Weight

1.88±0.03g


Environmental Specifications

Working Temperature

-40°C~+85°C

Storage Temperature

-55°C~+95°C

Humidity

95% No condensation

Vibration

GJB150.16A-2009, MIL-STD-810F

Shock

GJB150.18A-2009, MIL-STD-810F


Communication Interface

3 × UART (LVTTL)
1 × I2C*
1 × CAN* (shared with UART3)


Note: Items marked with * are only supported by specific firmware.


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