Vendor-Independent, ATEX / IECEx Certified Industrial Wi-Fi Architecture

Engineered & Integrated by Sierra

Sierra delivers end-to-end industrial wireless solutions for hazardous environments, enabling secure, compliant, and high-availability Wi-Fi connectivity in ATEX / IECEx Zone 1 and Zone 2 classified areas. Our vendor-independent architecture empowers digital transformation, mobile workforce enablement, and real-time plant connectivity without compromising safety, cybersecurity, or regulatory compliance.

Hazardous Area Industrial Wi-Fi Architecture

Our solution combines ATEX-certified enclosures, intrinsically safe RF barriers, and hazardous-area antennas to build a robust, scalable, and compliant wireless infrastructure engineered for explosive atmospheres.

System Components

Industrial Wi-Fi Routers & Access Points (Vendor-Independent)

High-performance, industrial-grade routers and access points selected from leading global OEMs, engineered for continuous operation in harsh plant environments. Our open architecture ensures seamless integration, future-ready scalability, and freedom from vendor lock-in.

ATEX / IECEx Certified Enclosures (Zone 1 / Zone 2)

Explosion-protected, flameproof enclosures designed to safely house industrial networking hardware while maintaining full compliance with international hazardous-area standards.

Hazardous-Area Antennas with Intrinsically Safe RF Barriers

Certified RF transmission pathways that ensure safe and reliable signal flow between hazardous and non-hazardous zones without risk of ignition.

Wi-Fi Infrastructure for Ex-Certified Operations

Sierra designs and deploys plant-wide industrial wireless networks that integrate seamlessly with:

• DCS and PLC Systems
• Mobile Operator Terminals, ATEX Tablets & Handhelds
• Engineering, Maintenance & Validation Platforms
• Digital Workflows, Historian & Asset Management Systems

Our architecture ensures high availability, cybersecurity readiness, deterministic performance, and scalable expansion for long-term digitalization initiatives.

Vendor-Independent Advantage

Our solutions are built on a non-proprietary, vendor-neutral framework, giving you total control over your industrial wireless ecosystem:

• No Vendor Lock-In – Freedom to choose or change OEMs
• Future-Proof Scalability – Easy upgrades and network expansion
• Best-in-Class Hardware Selection – Optimized by site, process, and regulatory needs
• Seamless OT/IT Integration – DCS, PLC, MES, and Enterprise Systems
• Simplified Spares & Support Strategy – Long-term operational flexibility