UM980
L1 L2 L5 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.
UM980 Features
Based on Unicore's proprietary GNSS SoC NebulasIV that 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, E6-HAS and QZSS L6E (MADOCA) PPP
UM980 Technical Specifications
Performance Specifications
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Channel |
1408 channels, based on NebulasIV |
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Frequency |
GPS L1C/A, L1C, L2C, L2P(Y), L5 |
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BDS B1I, B2I, B3I, B1C, B2a, B2b |
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GLONASS G1, G2, G3 |
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Galileo E1, E5a, E5b, E6 |
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QZSS L1C/A, L1C, L2C, L5, L6 |
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NavIC L5 |
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SBAS L1C/A |
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Single Point Positioning(RMS) |
Horizontal: 1.5m |
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Vertical: 2.5m |
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DGPS (RMS) |
Horizontal: 0.4m |
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Vertical: 0.8m |
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RTK (RMS) |
Horizontal: 0.8cm+1ppm |
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Vertical: 1.5cm+1ppm |
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PPP (RMS) |
Horizontal: 5cm |
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Vertical: 10cm |
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Observation Accuracy (RMS) |
BDS |
GPS |
GLONASS |
Galileo |
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B1I/B1C/L1C/L1C/A/G1/E1 Code |
10cm |
10cm |
10cm |
10cm |
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B1I/B1C/L1C/L1C/A/G1/E1 Carrier Phase |
1mm |
1mm |
1mm |
1mm |
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B2I/B2a/B2b/L5/E5a/E5b Code |
10cm |
10cm |
10cm |
10cm |
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B2I/B2a/B2b/L5/E5a/E5b Carrier Phase |
1mm |
1mm |
1mm |
1mm |
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B3I/L2P(Y)/L2C/G2 Code |
10cm |
10cm |
10cm |
10cm |
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B3I/L2P(Y)/L2C/G2 Carrier Phase |
1mm |
1mm |
1mm |
1mm |
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Time Accuracy(RMS) |
20 ns |
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Velocity Accuracy (RMS) |
0.03 m/s |
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Cold Start |
< 12 s |
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Initialization Time |
< 5 s (typical) |
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Initialization Reliability |
> 99.9% |
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Data Update Rate |
50 Hz |
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Differential Data |
RTCM V3.X |
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Data Format |
NMEA 0183, Unicore |
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Physical Characteristics
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Packaging |
54 pin LGA |
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Dimension |
17.0 × 22.0 × 2.6 mm |
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Weight |
1.88±0.03g |
Environmental Specifications
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Working Temperature |
-40°C~+85°C |
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Storage Temperature |
-55°C~+95°C |
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Humidity |
95% No condensation |
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Vibration |
GJB150.16A-2009, MIL-STD-810F |
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Shock |
GJB150.18A-2009, MIL-STD-810F |
Communication Interface
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3 × UART (LVTTL) |
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1 × SPI* |
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1 × I2C* |
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1 × CAN* (shared with UART3) |
Note: Items marked with * are only supported by specific firmware.
If you want to know more about galileo e5a and galileo e6, please visit our website.
Unicorecomm Company boasts a well-established technical framework and team, coupled with ample experience in mass-producing positioning chips/modules across diverse fields. Additionally, we have forged extensive partnerships with top-tier clients in large-scale applications.
