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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.

APPLICATIONS

Robotics

UAV

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/L2	Time to First Fix (TTFF)	Cold start < 25 s
	GLONASS L1/L2	Initialization Time	< 5 s(typical)
	Galileo E1/E5b	Initialization reliability	> 99.9%
	QZSS L1/L5	Reacquisition	< 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 ℃
Temperature	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