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UM982C

UM982C

GPS/BDS/GLONASS/Galileo/QZSS All-constellation Multi-frequency High Precision Positioning and Heading Module
UM982C-1

Brief Introduction

UM982C is Unicore's new-generation proprietary all-constellation, multi-frequency high-precision GNSS positioning and heading module, developed based on the GNSS SoC NebulasIV which integrates RF, baseband and high-precision algorithm. The module supports all-constellation multi-frequency on-chip RTK positioning and dual-antenna heading solution, supports QZSS L6D (CLAS) PPP-RTK solution, and supports  TruePoint|REACH Sat L-band-based PPP-AR service. UM982C can be used as a rover or a base station for applications such as UAV, precision agriculture, and autonomous machine.


UM982C supports configuring the multi-system joint positioning mode or single-system standalone positioning mode, and tracking multiple signals. With the built-in anti-jamming unit, the module ensures accurate positioning even in complex electromagnetic environments. 


UM982C has various types of interfaces for different purposes, including UART, I2C*, SPI*, PPS, EVENT and CAN*.


Features

  • Based on Unicore's proprietary GNSS SoC NebulasIV which integrates RF-baseband and high-precision algorithm

  • All-constellation, multi-frequency on-chip RTK positioning and dual-antenna heading solution

  • Dual RTK engine using master-slave antenna GNSS raw observations for independent positioning solution

  • Excellent anti-jamming and anti-spoofing capabilities, supporting jamming detection and spoofing detection

  • Adaptive recognition of RTCM format differential data

  • STANDALONE single-station high-precision positioning technology

  • Supports B2b-PPP, E6-HAS and QZSS L6E (MADOCA) PPP and SouthPAN L5 PVS 

  • Supports QZSS L6D (CLAS) PPP-RTK solution

  • Supports TruePoint|REACH Sat L-band-based PPP-AR service1


Technical Specifications

Performance Specifications


Channel
1408 channels, based on NebulasIV
Master Antenna
Slave Antenna
GPS L1C/A, L2P(Y), L2C, L5
GPS L1C/A, L2C
BDS B1I, B3I, B2a, B2b*BDS B1I, B3I
GLONASS G1, G2-
Galileo E1, E5a, E5b, E6Galileo E1, E5b
QZSS L1C/A, L1C/B, L2C, L5, L6QZSS L1C/A, L2C
L-Band*
-
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)2
Horizontal: 5cm  @20min
Vertical: 10cm     @20min
PPP-AR (RMS)2
Horizontal: 3cm  @5min
Vertical: 6cm       @5min
CLAS (RMS)2
Horizontal: 5cm  @1min
Vertical: 10cm     @1min
Observation accuracy (RMS)BDSGPSGLONASSGalileo
B1I/L1 C/A/G1/E1 Code10cm10cm10cm10cm
B1I/L1C/A/G1/E1 Carrier Phase1mm1mm1mm1mm
B2I/L5/E5a/E5b Code10cm10cm10cm10cm
B2I/L5/E5a/E5b Carrier Phase1mm1mm1mm1mm
B3I/L2P(Y)/L2C/G2 Code10cm10cm10cm10cm
B3I/L2P(Y)/L2C/G2 Carrier Phase1mm1mm1mm1mm
Heading Accuracy 
0.1°/1 m baseline
Time Accuracy
20 ns
Velocity Accuracy (RMS)
0.03 m/s
TTFF
(Time to First Fix)

Cold Start < 30s
Hot Start 4s
Initialization Time
<5s (typical)
Initialization Reliability
>99.9%
Data Update Rate20 Hz (RTK+Heading)
Differential DataRTCM V3.X
Data FormatNMEA 0183, Unicore


Physical Characteristics

Packaging48 pin LGA
Dimension16.0 × 21.0 × 2.6 mm
Weight1.82±0.03g


Environmental Specifications

Working Temperature-40°C~+85°C
Storage Temperature-55°C~+95°C
Humidity95% No condensation
VibrationGJB150.16A-2009, MIL-STD-810F
ShockGJB150.18A-2009, MIL-STD-810F


Communication Interface

3 × UART 
1 × SPI*
1 × I2C*
1 × CAN* (share the pin with UART3)


Note: Items marked with * are only supported by specific firmware, 1. This is is a paid service, 2. Under open sky and without jamming.


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