The accuracy of Unicore GNSS receivers ranges all the way from meter, though sub-meter and centimeter, down to the millimeter level.

Using our own unique technology Unicore has successfully developed and fielded series of multi-system, multi-frequency, high-performance System on a Chip (SoC), and a range of high-precision, board-level GNSS receivers and navigation/timing modules.

Applications include Continuously Operating Reference System (CORS) reference stations, survey & mapping, precision agriculture, positioning & heading, vehicle monitoring, autonomous vehicle navigation, and precision timing – along with a number of other

Unicore is a one-stop provider of GNSS SoC chips and GNSS receivers, with extensive experience in the design, verification, development, implementation and production of highly integrated ICs, along with multi-system high-performance GNSS baseband algorit

Unicore Communications, Inc. is a technology company focused on the design & development of highly integrated ICs, algorithms and GNSS receivers.

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UM482

BDS/GPS/GLONASS/GALILEO All-system Multi-frequency High-precision Heading Module

Features

• 30×40mm,smallest footprint in the industry, all-system multi-frequency high-precision heading module(SMD packaging)
• Supporting GPS L1/L2+BDS B1/B2 +GLONASS L1/ L2+GALILEO E1/E5b
• Dual antenna input with support of antenna signal detection
• Supporting simultaneous output of heading and positioning, 20Hz data output rate
• Adaptive recognition of RTCM input data format
• On-board MEMS integrated navigation

Product Introduction

DevelopedbyUnicoreonbasisoftheNebulas-IIhigh-performancehigh-precisionGNSS SoC,theUM482isanall-systemmulti-frequencyhigh-precisionheadingmodulewith smallestfootprintworldwide,supportingthesatellitesignalsincludingBDSB1/B2,GPS L1/L2,GLONASSL1/L2,GALILEOE1/E5bandSBAS.Itiswidelyusedinsuchapplication fieldsaslightrobot,drone,intelligentdriveandmechanicalcontrol.

Data Manual

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Technical Index

Functional Ports

3x UART(LV-TTL), 1xI2C, 1x SPI (LV-TTL)

1x1PPS(LV-TTL)

1xEvent

Physical Specifications

Dimension

30×40×4 mm

Packaging

2x30 pin, SMD

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

3.3VDC +5%/–3%

LNA Output

4.75~5.10V, 0~100 mA

Ripple Voltage

100mV p-p(max)

Power Consumption

2.0W(typical)

Performance Specifications

Channels

432 channels, based on Nebulas-II GNSS SoC

Initialization time

<10s (typical)

Frequencies

BDS B1/B2/B3

GPS L1/L2/L5

GLONASS L1/L2

Galileo E1/E5b

QZSS L1/L5

SBAS L1

Single point positioning (RMS)

Horizontal:1.5m

Initialization Time

<5s(typical)

Initialization reliability

>99.9%

Vertical:3.0m

Time to First Fix (TTFF)

Cold start<40s

DGPS(RMS)

Horizontal:0.4m

Reacquisition

<1s

Vertical:0.8m

RTK(RMS)

Horizontal:10mm+1ppm

Correction

RTCM 2.3/3.0/3.2

Vertical:15mm+1ppm

Data Output

NMEA-0183,Unicore

Velocity Accuracy (RMS)

0.03m/s

Update Rate

20Hz

Time Accuracy (RMS)

20ns

Inertial Navigation Accuracy

< 5%x droving distance(No GNSS signal,within 30s)

Measurement Accuracy(RMS)

BDS

GPS

GLONASS

GALILEO

B1/L1 C/A/E1 code

10cm    

 10cm 

 10cm

10cm

B1/L1/E1 carrier phase

1mm     

1mm 

 1mm

1mm

B2/L2P(Y)/E5b code

10cm   

 10cm

 10cm

10cm

B2/L2P(Y)/E5b code carrier phase

1mm    

1mm

1mm

1mm

Application Area