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UM482

UM482

UM482 is the smallest high-precision positioning and heading module in the world. Based on Nebulas-II SoC, UM482 tracks all the key satellite signals, including BDS B1/B2, GPS L1/L2, GLONASS L1/L2, Galileo E1/E5b and QZSS L1/L2. The module is designed for light-weight robots, GIS, intelligent driving, UAV, etc.

um482

APPLICATIONS

Robotics Robotics
UAV UAV
Intelligent Driving Intelligent Driving

Product Features

  • 30*40 mm, SMD packaging 

  • Supports BDS B1/B2+GPS L1/L2+GLONASS L1/ L2+GALILEO E1/E5b+QZSS L1/L2

  • DUAL-RTK Engine, independt master and slave antenna RTK solution

  • RTK: 1cm +1ppm(H); 1.5cm+1ppm(V)

  • Up to 20Hz Low-latency output of positioning and heading


Smallest Heading Solution

  • Compact SMD packaging

  • All-Constellation Multi-Frequency

  • 0.1°/1m baseline Dual Antenna Heading

  • Centimeter level RTK


Customized Services

  • Firmware quick update and iteration

  • Rich and Flexible Evaluation Kits and Softwares

  • Exclusive supplier of leading UAV manufacures


Core Technology

  • Instant RTK initialization and fast RTK convergence

  • "Instant Heading" Technology

  • "RTKKEEP" Technology 

  • Adaptive recognition of RTCM


Technical Specifications

Performance Specifications

Channels

432 channels, based on Nebulas-II GNSS SoC

Velocity Accuracy (RMS)

0.03m/s

Frequencies

BDS B1/B2

Time Accuracy (RMS)

20 ns
GPS L1/L2Time to First Fix (TTFF)
Cold start < 25 s
GLONASS L1/L2Initialization Time
< 5 s(typical)
Galileo E1/E5bInitialization reliability
> 99.9%
QZSS L1/L5Reacquisition
< 1 s

Single point positioning (RMS)

Horizontal：1.5 m

Correction

RTCM v2.3/3.0/3.2

Vertical：2.5 m

Data Output

NMEA-0183，Unicore

DGPS(RMS)

Horizontal：0.4 m

Update Rate

20 Hz

Vertical：0.8 m

Inertial Navigation Accuracy
< 5% of distance travelled during GPS denied conditions

RTK(RMS)

Horizontal：1 cm + 1 ppm



Vertical：1.5 cm+1 ppm




Physical Specifications

Dimension

30 × 40 × 4 mm

Packaging

2 x 30 pin


Environmental Specifications

Temperature

Working: - 40 ℃ ～ + 85 ℃

Storage: - 55 ℃ ～ + 95 ℃

Humidity

95% No condensation

Vibration

GJB150.16-2009，MIL-STD-810

Shock

GJB150.18-2009，MIL-STD-810


Electrical Specifications

Voltage

3.3 VDC+5%/–3%

LNA Output

4.75~5.10 V, 0~100 mA

Ripple Voltage

100 mV p-p（max）

Power Consumption

2.4 W(typical)


Functional Ports

3 x UART(LV-TTL)

1 x 1PPS（LV-TTL）

1 x Event


Download

UM482_User_Manual_EN_R4.2
25/12/2023
VIEW
UM482_Product_Brief_EN
25/12/2023
VIEW
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