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Streamlining hazardous area communications: the shift from radios to smart devices

Field operators in refineries and chemical plants have historically been burdened with excessive hardware. Carrying a two-way radio for voice, a tablet for maintenance logs, and a separate camera for inspections creates unnecessary friction in challenging environments. As private LTE and 5G networks become the industrial standard, facilities are moving away from single-purpose radios toward consolidated, intrinsically safe mobile platforms.

Bridging the gap with mission-critical broadband

Traditional narrowband networks are incredibly reliable for voice, but they completely lack the bandwidth required for modern operational workflows. Today’s industrial operations demand live video streaming, real-time data transfers, and instant access to digital twins.

Mission-critical services (MCX) operating over broadband cellular networks solve this data bottleneck. Modern MCX software can even act as a gateway, allowing seamless, cross-platform communication between control rooms using legacy radio talkgroups and field workers using certified smartphones. You no longer have to choose between reliable voice and high-speed data.

Configuring push-to-talk on ATEX-certified iPhones

Transitioning to an Atexxo-converted, intrinsically safe iPhone does not mean sacrificing the instant communication of a radio. Thanks to native push-to-talk (PTT) frameworks in modern iOS systems, technicians have highly flexible deployment options depending on their specific PPE requirements and ambient noise levels:

  • on-screen operation: ideal for low-noise areas where users can interact directly with enterprise PTT apps like Zello or GroupTalk.
  • bluetooth integration: for high-noise zones, the phone remains safely pocketed while paired with Zone-1 certified heavy-duty headsets or remote speaker microphones.
  • physical hardware keys: utilizing customizable physical buttons (like the action button on newer models) or external BLE triggers provides the familiar, tactile “talk” experience of a traditional radio.

The ultimate hardware consolidation

The strongest argument for deploying an explosion-proof smart device is the drastic reduction in equipment clutter. By housing a premium commercial smartphone inside a certified Atexxo enclosure, operators equip their teams with a single, highly capable tool that provides:

  • high-resolution visual inspections and barcode scanning
  • direct access to enterprise maintenance software and manuals
  • mission-critical voice and live video feeds directly to the control room
  • seamless integration with existing corporate IT security and device management protocols

At Atexxo Manufacturing, we engineer the certified hardware necessary to safely bring these advanced communication workflows into Zone 1 and Zone 2 environments without compromising on performance.

What is the biggest communication bottleneck your field teams currently face when operating in high-noise, classified areas?

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