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.

Home > Product Center > Nebulas II UC4C0

Nebulas II UC4C0

BDS/GPS/GLONASS/GALILEO/QZSS Multi-system Multi-Core High Precision GNSS SoC

Brief Introduction

Nebulas-II (UC4C0) is Unicore’s new generation multi system multi core high precision GNSS SoC with 55nm low power design, supports up to 12 digital intermediate frequency or 8 analog intermediate frequency signals, which can track 12 navigation signals with 432 channel.
UC4C0 supports single system independent positioning and BDS/GPS/GLONASS/GALILEO/QZSS multi-system interoperation. With built-in advanced anti-jamming module, UC4C0 can provide high quality observation data and the position and velocity information under complicated electromagnetic environment, to provide users with high reliability,high performance of the location service and user experience.

Core Technology

• UniTrack Universal multi-channel tracking engine
• JamShield High performance multi frequency anti-jamming technology
• Instant Heading Rapid heading technology
• EMM-RTK Enhanced multi-system multi-frequency RTK technology

Key Features

• 432 channels, all system all frequency
• Millimeter level measurement accuracy
• Built in 4 dual channel high-speed ADC, simplified RF Design
• 666MHz processor, single chip RTK and multi antenna heading
• Built in multi frequency anti-jamming module

Data Manual

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Technical Index

Performance Specifications

Satellite System BDS:B1/B2/B3 Built-in CPU Processor 666MHz
GPS:L1/L2C/L2P(Y)/L5 Positioning Accuracy Single Point 1.5m
GLONASS:L1/L2 Heading Accuracy 0.2°/1m baseline
GALILEO:E1/E5a/E5b DGPS Positioning Accuracy 0.4m
QZSS:L1 CA L2C L5 RTK Positioning Accuracy(Horizontal) 1cm+1ppm
SBAS Velocity Accuracy 0.03m/s
Frequency 12 Update Rate 100Hz
Channel 432 1PPS 20ns
    Power Consumption 1.5W@12 frequencies(Board Level)

Application Area