With the rising demand for remote inspection, remote maintenance, and visual management, industries such as Japan’s Shinkansen railway system have begun facing new operational pain points. The global market is shifting from manual inspection to intelligent and digital safety management.
To address these needs, Sollolink introduces the new ST-D7 External Smart Headband, developed and supplied directly by Smart Helmet Factory Directly Sollolink, enabling instant smart transformation on most standard safety helmets without replacement.

Key Features & Value Proposition
01 | Multi-Language Support for Global Deployment
ST-D7 currently supports:
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Chinese
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English
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Japanese
Ideal for multinational projects and international enterprises.

02 | Dual Network Connectivity
Supports both:
✔ 4G cellular
✔ Wi-Fi
Designed for both indoor and outdoor applications including:
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Plants & factories
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Construction sites
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Maintenance tracks
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Control centers
03 | Emergency Response & Communication System
Equipped with:
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One-touch SOS alarm
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Real-time audio & video communication
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Remote guidance
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Night illumination
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Recording & playback
04 | Intelligent Positioning & Behavioral Safety
ST-D7 offers comprehensive safety management features:
✔ Real-time GPS positioning
✔ Route playback
✔ Geofencing
✔ Silent alarm
✔ Fall detection
✔ High temperature alert
This enables real-time worker visibility and safety compliance.

05 | Open API for Third-Party Integration
Rich API interfaces allow seamless integration with:
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SaaS platforms
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AI analysis systems
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Fleet & asset platforms
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Safety management platforms
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Industrial IoT platforms
Helping software partners expand product offering and market value.
Application Scenarios
Ideal for demanding industrial environments such as:
✔ Power maintenance
✔ Chemical plant inspection
✔ Mining exploration
✔ Railway inspection
✔ Municipal engineering
✔ Oil & gas
✔ Remote service & repair
✔ Industrial visual management
Commercial Advantages with Sollolink
✔ In-house manufacturing control
✔ OEM/ODM customization capability
✔ Global partner support
✔ Protocol compatibility development
✔ Platform-level cooperation
Business & Custom Development
We support:
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OEM / ODM
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API platform integration
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Protocol customization
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Language localization
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AI voice customization
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Industry-level customization
The engineering team can tailor solutions for project deployments.
Contact & Cooperation
Suitable for:
✔ Platform developers
✔ System integrators
✔ Distributors / resellers
✔ End-user industry clients


