RAIL · WIRELESS
TWE Onboard Radio Equipment
A connection that reduces interruptions between trains and wayside equipment.
PRODUCT OVERVIEW
A connection that reduces interruptions between trains and wayside equipment.
Wireless communications equipment installed onboard trains establishes a path for transmitting train-control data to and from wayside radio equipment. Vehicle installation requirements and wireless network architecture are reviewed together for system integration.
Discuss products & configurationsCAPABILITIES
Key capabilities and scope.
- 01
Train-to-wayside communications
Establishing a data transmission path between onboard and wayside radio equipment
- 02
Adapting to operating conditions
Wireless network design and verification accounting for each line’s radio environment and travel sections
- 03
System integration
Integration of vehicle interfaces, power and mounting requirements, and control-center operational requirements
CONFIGURATION
Device role and integration conditions.
- Offering type & stage
- Equipment · Train-control data communications system component · Available product range
- Product identification
- TWE · Train Wireless Equipment · Onboard Radio Equipment
- Application purpose
- Onboard-to-wayside data transmission for wireless communications-based train-control systems
- Installation and connections
- Installed onboard vehicles · Linked to wayside radio equipment · Configured to suit onboard interface requirements
- System review
- Radio cell planning · Wireless backhaul · Ethernet and optical transmission networks · Onboard-to-wayside integration testing
- Application history
- Sillim Line wireless communications system for train control: opened and in operation in 2022 / Daejeon Urban Railway Line 2 tram onboard radio equipment: supply contract awarded in 2025
Source: 2026 Company Profile, pages 16·26
Detailed models, installation conditions, integration scope and acceptance criteria are finalized through project review and approved specifications.
SYSTEM FIT
Within the system,
see the role of each product.
Connecting moving vehicles with wayside equipment.
Onboard equipment, wayside radio equipment, and network management are reviewed together to establish communications paths along the line.
- 01 / VehicleDevice
TWE Onboard Radio Equipment
Transmits vehicle data to wayside radio equipment.
Product currently shown - 02 / WaysideDevice
Wayside Radio Equipment
Configures communications cells to suit the line’s radio environment.
View product details ↗ - 03 / ManagementService
Wired & Wireless Network Maintenance
Connects wireless network and equipment status with operational tasks.
View product details ↗
Onboard and wayside equipment form the communications network. After installation, separate maintenance services support operations.
- Vehicle connections
- Vehicle data interfaces, power, and mounting requirements
- Wayside connections
- Wayside radio equipment, antennas, and the line’s radio environment
- Integration review
- Communications paths, network management, and performance test requirements
BEFORE YOU START
Common considerations before implementation.
What is reviewed?
Vehicle installation space and power, data interfaces, and the line’s radio environment are reviewed together.
Is wayside radio equipment included in the configuration?
The configuration scope is agreed based on onboard equipment, wayside radio equipment, and control-center operational requirements.
Tell us about the application environment and existing equipment so we can first review the configuration needed.
TWE Onboard Radio Equipment inquiriesLET’S MOVE FORWARD
Make the next mobility solution
a reality, together.
From site conditions and product needs to implementation, operations and technical collaboration.