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    1. Home/
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    5. UM982 Unicore Communications

    UM982 [Unicore Communications]

    UM982
    UM982

    Part No:

    UM982

    Category:

    Wireless & RF Integrated Circuits

    Manufacturer:

    Unicore Communications

    Description:

    The UM982 is a high-precision GNSS RTK + dual-antenna heading module from Unicore Communications, based on the NebulasIV SoC. It supports multi-constellation, multi-frequency GNSS (GPS, BeiDou, GLONASS, Galileo, QZSS) with centimeter-level RTK accuracy, up to 50 Hz update rate, and integrated anti-jamming protection. Featuring dual-antenna heading calculation, PPP support, and high-channel GNSS architecture, it is ideal for UAVs, autonomous vehicles, precision agriculture, surveying, robotics, and industrial automation systems. The UM982 delivers reliable, high-precision positioning and orientation for advanced navigation applications.

    Package:

    LGA / module (≈21 × 16 mm class)

    RoHS Status:

    Product FAQ

    1. Is UM982 available for RFQ?

    Yes. UM982 by Unicore Communications is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for UM982?

    Pricing for UM982 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of UM982?

    UM982 is a Unicore Communications Wireless & RF Integrated Circuits with Operating Temperature: -40°C to +85°C and Position Update Rate: Up to 50 Hz (depending mode). Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for UM982?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can UM982 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to UM982?

    Yes. If UM982 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Unicore Communications Wireless & RF Integrated Circuits parts or compatible alternatives.

    RFQ

    Part Number:

    UM982

    Manufacturer:

    Unicore Communications

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Production Status:

    Active

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Manufacturer
    Unicore Communications
    Part Number
    UM982
    Product Type
    High-Precision GNSS RTK + Heading Module
    GNSS Engine
    NebulasIV SoC
    Constellations
    GPS, BDS, GLONASS, Galileo, QZSS
    Frequency Bands
    Multi-frequency (L1 / L2 / L5 supported)
    Channel Count
    1408 channels (industry sources)
    RTK Accuracy
    Centimeter-level (≈1 cm + 1 ppm class)
    Heading Accuracy
    0.1°–0.2° class (dual antenna)
    Position Update Rate
    Up to 50 Hz (depending mode)
    Cold Start Time
    < 30 s
    Hot Start Time
    < 1 s
    Operating Voltage
    3.0V – 3.6V
    Power Consumption
    ~600 mW class
    Interfaces
    UART, I²C, SPI, CAN
    Package
    LGA / module (≈21 × 16 mm class)
    Operating Temperature
    -40°C to +85°C

    Products Detail

    UM982 – Unicore Multi-Frequency High-Precision GNSS Positioning & Heading Module

    Product Overview

    The UM982 is a high-precision, multi-frequency, multi-constellation GNSS positioning and heading module developed by Unicore Communications. It is designed for centimeter-level RTK positioning, dual-antenna heading measurement, and high-accuracy navigation applications such as UAVs, autonomous vehicles, precision agriculture, robotics, and surveying systems.

    The module is based on Unicore’s NebulasIV GNSS SoC platform, integrating RF front-end, baseband processing, and high-precision RTK algorithms into a compact module. It supports all major GNSS constellations and multiple frequency bands, enabling robust positioning in complex environments.

    According to Unicore official documentation, the UM982 supports all-constellation multi-frequency RTK positioning, dual-antenna heading solution, and advanced anti-jamming / anti-spoofing capabilities, with optional support for PPP services and L-band corrections, making it suitable for high-end navigation systems.

    Part Number Breakdown

    Segment

    Meaning

    UM

    Unicore Module

    982

    High-precision RTK + dual-antenna GNSS platform

    Competitive Advantages

    ✔ Centimeter-level RTK positioning
    ✔ Dual-antenna heading (no magnetometer needed)
    ✔ Multi-constellation + multi-frequency GNSS
    ✔ 1408-channel high-capacity engine
    ✔ Up to 50 Hz output rate
    ✔ Strong anti-jamming / anti-spoofing capability
    ✔ PPP + RTK + L-band support options
    ✔ Industrial-grade -40°C to +85°C
    ✔ Designed for UAV, robotics, agriculture, and autonomous systems

    Key Features

    Key Features

    1. Centimeter-Level RTK Positioning

    The UM982 supports Real-Time Kinematic (RTK) positioning for high-precision applications.

    Benefits:

    • Centimeter-level positioning accuracy
    • Suitable for surveying and mapping
    • Enables autonomous machine navigation
    • High precision for industrial robotics

    2. Dual-Antenna Heading (True North Calculation)

    The module supports dual-antenna heading determination, using carrier-phase measurements.

    Benefits:

    • Accurate heading without magnetometer
    • Stable orientation in magnetic interference
    • Ideal for UAVs and autonomous vehicles
    • High precision motion direction estimation

    3. Multi-Constellation + Multi-Frequency Support

    Supports full GNSS systems:

    • GPS
    • BDS
    • GLONASS
    • Galileo
    • QZSS

    Benefits:

    • More satellites → better accuracy
    • Improved reliability in urban environments
    • Faster RTK convergence
    • Better global coverage

    4. High Channel Capacity GNSS Engine

    • 1408-channel architecture (industry listed) 

    Benefits:

    • Strong multi-satellite tracking capability
    • High robustness in complex RF environments
    • Improved positioning stability
    • Better performance under multipath conditions

    5. High Update Rate Performance

    • Up to 50 Hz update rate in RTK / attitude mode 

    Benefits:

    • Real-time navigation for fast-moving platforms
    • Smooth trajectory tracking
    • Suitable for UAV flight control
    • High-frequency control feedback

    6. Strong Anti-Jamming & Anti-Spoofing

    The UM982 integrates advanced interference mitigation.

    Benefits:

    • Reliable positioning in RF-noisy environments
    • Protection against GNSS spoofing
    • Stable output in industrial zones
    • Improved navigation security

    7. Advanced RTK & PPP Support

    Supports multiple correction technologies:

    • RTK base/rover mode
    • PPP services
    • L-band correction (depending configuration)
    • Galileo HAS support

    Benefits:

    • High precision without local base station (PPP)
    • Flexibility for surveying and agriculture
    • Global deployment capability
    • Reduced infrastructure dependency

    8. Dual-Antenna Integrated Heading Solution

    Uses two GNSS antennas for baseline calculation.

    Benefits:

    • Accurate yaw/heading measurement
    • No magnetic sensor required
    • Stable in steel/industrial environments
    • Essential for autonomous machines

    Application scenarios

    Applications

    🚜 Precision Agriculture

    • Tractor guidance systems
    • Field mapping
    • Automated farming machines

    🚁 UAV / Drone Systems

    • Flight navigation
    • RTK-based mapping drones
    • Autonomous flight control

    🚗 Autonomous Vehicles

    • Self-driving perception support
    • Vehicle positioning systems
    • ADAS localization

    🏗 Surveying & Mapping

    • Land surveying
    • Construction measurement
    • GIS mapping systems

    🤖 Robotics & Automation

    • AGV navigation
    • Warehouse robots
    • Industrial automation systems

    🛰 Smart Infrastructure

    • Monitoring systems
    • Smart transportation
    • Infrastructure positioning networks

    Documents

    Product Brief:

    UM982_Product_Brief_En_mail.pdf

    User Manual:

    UM982_User Manual_EN_R1.7.pdf

    Unicore Reference Commands Manual For N4 High Precision Products:

    Unicore Reference Commands Manual For N4 High Precision Products_V2_EN_R1.14.pdf
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

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