The FreeWave IOEX‑4404 is a robust I/O expansion module. It is designed to expand your industrial and remote‑automation systems with scalable I/O capacity and durability. It supports 12 additional channels – including 4 universal, 4 input‑only and 4 isolated digital outputs. Certified for Class I Division 2 hazardous locations and built for field‑ready installation, this module is ideal for wireless I/O stacks, edge controllers and SCADA architectures.
Key features include:
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Adds 12 channels (4 universal, 4 input‑only, 4 isolated digital outputs)
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Modular stacking: up to 15 expansion modules attach to one base for large I/O systems
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Certified for hazardous locations (Class I Div 2) and rated for –40 °C to +75 °C operating temperature
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Supports analog inputs and universal channel configurations for versatile sensor setups
Whether you’re expanding field telemetry, enabling wireless I/O networks, or scaling legacy systems, the IOEX‑4404 delivers flexible, rugged I/O infrastructure.
Contact us to learn how it integrates into your architecture.





