1408 CHANNELS · RTK · MULTI‑FREQUENCY

UM980 Multi‑Frequency GNSS RTK High‑Precision Module

Next‑generation high‑precision GNSS RTK module based on NebulasIV SoC with 1408 channels, full‑constellation multi‑frequency tracking, RTK/PPP, and 20Hz update rate — designed for precision agriculture, surveying, UAV, and autonomous applications.

RTK + PPP Positioning

Full Constellation Support

GPS · BDS · GLONASS · Galileo

QZSS · NavIC · SBAS · L‑Band

20 Hz RTK Update

1408 Channels (NebulasIV)

0Channels

0RTK Horizontal (mm+ppm)

0Hz Update

0PPP Accuracy (cm)

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UM980 Multi-frequency GNSS RTK High-Precision Module

PRODUCT OVERVIEW

Centimeter‑Level RTK Positioning for Every Mission

The UM980 is Unicore's next‑generation high‑precision GNSS module, integrating RF, baseband, and advanced RTK/PPP algorithms on the NebulasIV SoC. With multi‑frequency, full‑constellation tracking and built‑in anti‑jamming, it delivers reliable centimeter‑level positioning in the most challenging environments — ideal for precision agriculture, surveying, mapping, UAV navigation, and autonomous systems.

UM980 GNSS RTK module PCB detail – high precision receiver — Single‑Antenna High‑Precision RTK
The UM980 leverages all available GNSS signals (GPS, BDS, GLONASS, Galileo, QZSS, NavIC, SBAS, and L‑Band) to achieve fast RTK fixes and reliable PPP performance. Its NebulasIV SoC provides 1408 channels, enabling simultaneous tracking of multiple constellations and frequencies for superior positioning robustness.
Advanced multi‑frequency anti‑jamming technology enhances RTK performance in urban canyons, tree canopy, and other signal‑degraded environments, making UM980 the perfect choice for professional applications requiring high availability and accuracy.
1408 Channels based on NebulasIV SoC
GPS L1/L2/L5 · BDS B1/B2/B3 · GLONASS G1/G2 · Galileo E1/E5/E6
QZSS L1/L2/L5/L6 · NavIC L5 · SBAS · L‑Band
RTK Horizontal: 8mm + 1ppm · Vertical: 15mm + 1ppm
PPP Horizontal: 5cm · Vertical: 10cm
20 Hz RTK update rate

1408

Channels

8mm+1ppm

RTK Horizontal

20 Hz

Update Rate

5cm

PPP Accuracy

📡

RTK + PPP

Centimeter‑level RTK and 5cm PPP for flexible correction sources and global precision.

🛰️

Full Constellation

GPS, BDS, GLONASS, Galileo, QZSS, NavIC, SBAS, L‑Band — maximum satellite availability.

🛡️

Anti‑Interference

Multi‑frequency anti‑jamming ensures reliable performance in complex urban and natural environments.

⚡

20 Hz Update

High‑rate RTK output for dynamic applications like UAV, robotics, and machine control.

CORE FEATURES

Six Core Capabilities for High‑Precision Positioning

UM980 combines the latest GNSS SoC technology, multi‑frequency tracking, and advanced RTK/PPP engines to deliver unmatched performance in demanding applications.

📡

1408 Channels

NebulasIV SoC with 1408 channels tracks all GNSS constellations and frequencies simultaneously for maximum satellite visibility and fast RTK fixes.

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🛰️

Full Constellation Support

GPS, BDS, GLONASS, Galileo, QZSS, NavIC, SBAS, and L‑Band — global coverage with multi‑frequency signals for robust RTK/PPP.

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📐

RTK & PPP

Horizontal 8mm+1ppm, vertical 15mm+1ppm with RTK; PPP horizontal 5cm for global precision without base stations.

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⚡

20 Hz Update Rate

RTK at 20Hz output — real‑time performance for dynamic applications like UAV, robotics, and machine control.

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🛡️

Anti‑Interference

Built‑in multi‑frequency anti‑jamming improves RTK initialization time and measurement reliability in complex environments.

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⚙️

Industrial Reliability

Operating temperature -40°C to +85°C, MIL‑STD‑810F vibration & shock — built for rugged field applications.

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SIGNAL PROCESSING

From Satellite Signals to RTK Position

The UM980 captures multi‑frequency GNSS signals from all constellations, processes them through the NebulasIV SoC, and delivers high‑precision RTK/PPP positions with fast convergence and reliability.

UM980 GNSS signal processing architecture with NebulasIV SoC and RTK engine — How UM980 Delivers Precision
The UM980 processes all available GNSS signals through a high‑performance RF front‑end and the NebulasIV baseband processor, which handles 1408 channels. The integrated RTK engine computes centimeter‑level positions, while the PPP engine provides global accuracy without base stations.
Multi‑frequency, full‑constellation tracking for maximum satellite availability
Advanced anti‑jamming improves RTK initialization and measurement quality
RTCM V3.X correction input and NMEA 0183 / Unicore data output
20Hz RTK and raw data output for dynamic applications
Low power consumption and compact 17×22mm LGA package
The module supports L‑Band for correction services, offering flexible precision augmentation.

WHY STARMAX

Your Trusted GNSS Partner

We combine technical expertise, manufacturing excellence, and global logistics to deliver reliable positioning solutions for your projects.

🔧

OEM / ODM

Custom designs tailored to your application

🚚

Fast Delivery

Global logistics with short lead times

🛠️

Technical Support

Expert engineers ready to assist

💰

Factory Price

Competitive pricing from direct manufacturing

TECHNICAL SPECIFICATIONS

Detailed Module Specifications

Comprehensive technical data for the UM980 Multi‑Frequency GNSS RTK High‑Precision Module.

General+

Packaging	48‑pin LGA
Dimensions	17.0 × 22.0 × 2.6 mm
Weight	~2.0 g
Power Supply	3.3V DC
Power Consumption	~80mA (typical)

GNSS Performance+

Channels	1408, based on NebulasIV
Frequency Support	GPS L1/L2/L5 · BDS B1/B2/B3 · GLONASS G1/G2 · Galileo E1/E5/E6 · QZSS L1/L2/L5/L6 · NavIC L5 · SBAS · L‑Band
RTK Horizontal (RMS)	8mm + 1ppm
RTK Vertical (RMS)	15mm + 1ppm
PPP Horizontal (RMS)	5cm
PPP Vertical (RMS)	10cm
Single‑point Horizontal (RMS)	1.5m
DGPS Horizontal (RMS)	0.4m
Cold Start	< 20s
RTK Initialization	< 5s (typical)
RTK Reliability	> 99.9%
Data Update Rate	20Hz (RTK) · 20Hz raw data

Communication Interfaces+

UART	3 × LVTTL
SPI	1 ×
I²C	1 ×
CAN	1 × (shared with UART3)
Differential Data	RTCM V3.X
Data Format	NMEA 0183, Unicore

Environmental+

Operating Temperature	-40°C to +85°C
Storage Temperature	-55°C to +95°C
Humidity	95% non‑condensing
Vibration	MIL‑STD‑810F
Shock	MIL‑STD‑810F

APPLICATION SCENARIOS

Built for Precision‑Driven Industries

From agriculture to autonomous systems, the UM980 delivers reliable RTK/PPP positioning in the most demanding environments.

Where Accuracy Matters

The UM980 is engineered for applications that require high‑precision positioning with fast convergence and robust performance — even in challenging signal conditions.

Precision Agriculture — autonomous tractor guidance, spraying, and harvesting with RTK accuracy
Surveying & Mapping — rapid RTK fixes for control points, GIS, and topographic surveys
UAV & Drone Navigation — reliable positioning for aerial mapping and inspection
Autonomous Machines — robust RTK/PPP for robotics, AGVs, and industrial automation
Infrastructure Monitoring — structural deformation and asset tracking with centimeter precision
Marine & Hydrography — accurate positioning for bathymetry and vessel navigation

The UM980's multi‑frequency anti‑jamming ensures consistent performance in urban canyons, under trees, and near interference sources.

UM980 GNSS RTK module application scenarios – agriculture, UAV, surveying, autonomous machines — Application scenarios for UM980 high-precision GNSS module

DOWNLOAD CENTER

Resources & Documentation

Access datasheets, user manuals, SDK, firmware, and certificates for the UM980 module.

📄

Datasheet

v2.1

1.8 MB

PDF

📘

User Manual

v1.8

4.2 MB

PDF

⚙️

SDK & API

v3.0

12.5 MB

ZIP

📦

Firmware

v2.3.5

8.2 MB

BIN

📜

Certificate

2026

0.8 MB

PDF

FAQ

Frequently Asked Questions

Find answers to common questions about the UM980 GNSS RTK module.

Ready to Get a Quote?

Contact our team today for pricing, technical support, or to request a demo of the UM980 GNSS RTK High‑Precision Module. We're here to help you integrate precision positioning into your next project.

✉ serenasSun@outlook.com 📞 +86 186 7671 6687 💬 WhatsApp: +852 6945 5984 🌐 www.starmax.ltd

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UM980 Multi-Frequency GNSS RTK High-Precision Positioning Module

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UM980 Multi‑Frequency GNSS RTK High‑Precision Module

Centimeter‑Level RTK Positioning for Every Mission

Single‑Antenna High‑Precision RTK

1408

8mm+1ppm

20 Hz

5cm

RTK + PPP

Full Constellation

Anti‑Interference

20 Hz Update

Six Core Capabilities for High‑Precision Positioning

1408 Channels

Full Constellation Support

RTK & PPP

20 Hz Update Rate

Anti‑Interference

Industrial Reliability

From Satellite Signals to RTK Position

How UM980 Delivers Precision

Your Trusted GNSS Partner

OEM / ODM

Fast Delivery

Technical Support

Factory Price

Detailed Module Specifications

Built for Precision‑Driven Industries

Where Accuracy Matters

Resources & Documentation

Datasheet

User Manual

SDK & API

Firmware

Certificate

Frequently Asked Questions

Ready to Get a Quote?

Request a Quote

UM980 Multi‑Frequency GNSS RTK High‑Precision Module

Centimeter‑Level RTK Positioning for Every Mission

Single‑Antenna High‑Precision RTK

1408

8mm+1ppm

20 Hz

5cm

RTK + PPP

Full Constellation

Anti‑Interference

20 Hz Update

Six Core Capabilities for High‑Precision Positioning

1408 Channels

Full Constellation Support

RTK & PPP

20 Hz Update Rate

Anti‑Interference

Industrial Reliability

From Satellite Signals to RTK Position

How UM980 Delivers Precision

Your Trusted GNSS Partner

OEM / ODM

Fast Delivery

Technical Support

Factory Price

Detailed Module Specifications

Built for Precision‑Driven Industries

Where Accuracy Matters

Resources & Documentation

Datasheet

User Manual

SDK & API

Firmware

Certificate

Frequently Asked Questions

Ready to Get a Quote?

Request a Quote

UM980 Multi-Frequency GNSS RTK High-Precision Positioning Module

分享至微信

分享至微信