Overview

The TOXU TX-UM980-DB is an all-constellation, multi-frequency RTK GNSS receiver development board built around the Unicore UM980 high-precision positioning module.

Based on Unicore's NebulasIV GNSS technology, the UM980 module features a 1408-channel positioning engine supporting GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC and SBAS satellite navigation signals.

The board provides external GNSS antenna connectivity through an SMA interface, together with USB Type-C and accessible signal connections for GNSS receiver evaluation, configuration and embedded hardware integration.

The UM980 receiver supports multi-frequency RTK positioning, RTCM correction data and centimeter-level positioning capability. It is suitable for precision agriculture, surveying equipment, robotics, autonomous navigation and GNSS development projects.

TOXU provides GNSS receiver development boards, multi-band antennas, RF cable assemblies and OEM hardware integration solutions for international B2B customers.

Key Features

Unicore UM980 GNSS Receiver Module

Equipped with the UM980 high-precision positioning module featuring Unicore's NebulasIV GNSS technology and a 1408-channel receiver engine for multi-frequency satellite navigation.

All-Constellation Multi-Frequency Reception

Supports GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC and SBAS signals, providing flexible satellite reception capabilities for precision positioning applications.

Centimeter-Level RTK Positioning

The UM980 provides centimeter-level RTK positioning capability using compatible differential correction data, supporting high-precision navigation and surveying applications.

1408-Channel GNSS Engine

The receiver module provides 1408 channels for tracking multiple GNSS constellations and frequency bands, supporting advanced satellite positioning applications.

High-Rate Positioning Output

The UM980 module supports positioning data update rates of up to 50Hz, depending on receiver configuration and operating mode.

USB Type-C Connectivity

Features a USB Type-C connector for convenient connection to compatible host equipment during GNSS receiver evaluation and development.

External GNSS Antenna Connection

Includes an SMA RF connector for connection to a compatible multi-band GNSS antenna, allowing antenna selection according to installation requirements and positioning applications.

Accessible Signal Interfaces

The PCB provides labeled connections for serial communication, PPS, event input, RTK status and other receiver signals, supporting embedded system development and engineering evaluation.

RTCM and NMEA Protocol Support

The UM980 receiver supports RTCM 3.x differential correction data and NMEA 0183 positioning output for compatible GNSS systems.

OEM and ODM Development Support

TOXU supports customized GNSS receiver board configurations, antenna integration, connector selection and electronic hardware development for OEM applications.

Technical Specifications

Hardware Structure and Interfaces

The TX-UM980-DB integrates a Unicore UM980 GNSS positioning module onto a development PCB with external antenna connectivity and accessible communication signals.

UM980 Receiver Module

The onboard UM980 module provides multi-frequency satellite reception, RTK processing and GNSS positioning functions for precision navigation applications.

External SMA Antenna Interface

An SMA RF connector is provided for connection to a compatible multi-band GNSS antenna. The antenna can be selected according to required GNSS frequency coverage, installation environment and positioning system design.

USB Type-C Connector

The USB Type-C connector provides a convenient physical connection for receiver development and integration with compatible host systems.

UART Communication Connections

The board provides labeled serial communication connections for external controller integration, GNSS data exchange and receiver configuration.

PPS, EVENT and RTK Status Signals

Dedicated PCB signal labels provide access points for timing, event and receiver status functions, supporting evaluation of advanced GNSS positioning applications.

Mechanical Mounting

The development board features four corner mounting holes for installation in compatible test fixtures, embedded equipment or prototype assemblies.

Applications

GNSS RTK Development and Evaluation

Suitable for engineers and system developers evaluating Unicore UM980 positioning performance, GNSS data output and RTK correction integration.

Surveying and Mapping Equipment

Provides high-precision GNSS receiver hardware for the development of surveying instruments, mapping terminals and RTK positioning devices.

Precision Agriculture

Supports GNSS positioning system development for agricultural guidance equipment, field mapping and precision farming applications.

Autonomous Robotics

Can be integrated into robotic positioning projects requiring multi-frequency GNSS reception and high-precision navigation data.

UAV Navigation Systems

Suitable for UAV positioning hardware development using compatible GNSS antennas, host controllers and RTK correction data.

Industrial Positioning Equipment

Provides a development platform for industrial electronics and embedded systems requiring multi-constellation GNSS positioning functionality.

System Integration

The TX-UM980-DB provides a multi-frequency GNSS receiver hardware platform for integration with compatible GNSS antennas, correction data sources and external controllers.

Typical GNSS Positioning Architecture

GNSS Satellite Signals → External Multi-Band GNSS Antenna → SMA Interface → UM980 Receiver → GNSS Positioning Data → Host Controller

RTK Correction Integration

GNSS Base Station or Correction Service → RTCM Correction Data → UM980 Receiver → RTK Positioning Solution

The UM980 module supports NMEA 0183 positioning messages and RTCM 3.x differential data formats for integration into compatible GNSS systems.

The board includes labeled communication and status connections for receiver development, host controller integration and system-level engineering evaluation.

TOXU supports GNSS receiver board integration, antenna selection, RF cable assembly customization and OEM navigation hardware development.

Complete GNSS Hardware Solution Support

GNSS Receiver Modules and Boards

TOXU supplies multi-frequency GNSS modules, RTK positioning boards and development hardware for precision positioning applications.

Multi-Band GNSS Antennas

Our GNSS antenna portfolio includes ceramic antennas, external multi-band positioning antennas and customized antenna solutions for compatible GNSS receivers.

RF Cable Assemblies and Connectors

TOXU provides SMA connectors, RF coaxial cable assemblies and customized interconnection solutions for GNSS system integration.

PCBA Manufacturing and OEM Development

We support PCB assembly, receiver board customization, electronic hardware integration, prototype development and OEM manufacturing services.

Why Choose TOXU

Integrated GNSS Hardware Solutions

TOXU provides GNSS receiver boards, positioning modules, multi-band antennas, RF cable assemblies and connectors for OEM navigation equipment projects.

OEM and ODM Customization

We support customized GNSS receiver board configurations, antenna integration, cable assemblies and electronic hardware interfaces according to customer requirements.

Engineering and Manufacturing Support

TOXU supports hardware evaluation, prototype development, receiver integration and manufacturing coordination for international OEM and ODM customers.

About TOXU

TOXU is a professional RF hardware manufacturer specializing in GNSS antennas, communication antennas, GNSS receiver boards, RTK positioning solutions, RF cable assemblies, connectors and PCBA manufacturing.

With engineering and manufacturing capabilities, TOXU supports global OEM and ODM customers from product development and prototype validation to customization and mass production delivery.

FAQ

What GNSS module is used in the TX-UM980-DB?

The board is equipped with the Unicore UM980 multi-frequency RTK GNSS positioning module based on the NebulasIV GNSS platform.

Which GNSS systems does the UM980 support?

The UM980 supports GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC and SBAS satellite navigation signals across multiple supported frequency bands.

Does the TX-UM980-DB support centimeter-level positioning?

Yes. The UM980 receiver supports centimeter-level RTK positioning when compatible correction data, suitable GNSS antenna performance and appropriate operating conditions are available.

Does the development board include a GNSS antenna?

The board provides an SMA interface for connecting a compatible external multi-band GNSS antenna. The antenna can be selected according to the customer's application requirements.

What is the maximum positioning update rate?

The UM980 module supports data update rates of up to 50Hz. The available rate depends on receiver configuration and system integration.

Does the receiver support RTCM correction data?

Yes. The UM980 supports RTCM 3.x differential correction data for compatible high-precision GNSS positioning applications.

What connectors are available on the board?

The board features USB Type-C, an SMA external antenna connector and multiple labeled PCB connections for receiver signals and embedded hardware development.

Can the board be used for precision agriculture?

Yes. The UM980 receiver platform supports GNSS positioning applications used in agricultural guidance systems, field positioning and related precision farming equipment.

Does the UM980 support high-precision timing?

The UM980 receiver provides timing-related capabilities and PPS signal support for compatible GNSS applications.

Can TOXU provide matching antennas and RF cables?

Yes. TOXU supplies multi-band GNSS antennas, SMA connectors and customized RF cable assemblies for receiver and positioning system integration.

Does TOXU support OEM and ODM development?

Yes. TOXU supports customized receiver board configurations, GNSS antenna integration, cable assemblies and electronic hardware manufacturing for OEM and ODM projects.