Ambient IoT’s next challenge isn’t the tag – it’s the network (Reader Forum)

Ambient IoT’s next challenge isn’t the tag – it’s the network (Reader Forum)

Ambient IoT energy harvesting

Ambient IoT has proven battery-free sensing is possible, but enterprise adoption now depends on something bigger: reliable network infrastructure. As deployments scale, trusted, continuous visibility—not the tag itself—will determine which solutions succeed in real-world operations.

Ambient IoT has reached an important point in its development. For years, the industry focused on proving that low-cost, battery-free sensors could exist. That work has mattered immensely. It showed that physical objects – pallets, packages, pharmaceuticals, food products, retail inventory, industrial assets – could carry intelligence without the cost, maintenance burden, and waste associated with batteries.

That breakthrough opened the door to a larger ambition: making the physical world continuously visible to digital systems.

But as ambient IoT scales, the central question is changing. The issue is no longer whether a tag can harvest energy or wake up under favorable conditions. The issue is whether an entire system can deliver trusted data across the environments where enterprises actually operate.

The next phase of ambient IoT will not be defined by the tag alone. It will be defined by the network.

Battery-free does not mean network-free

Every major infrastructure transition goes through a similar maturation. Early electric devices did not transform industry simply because they could use electricity. They transformed industry once electrical infrastructure became reliable, standardized, and available where work happened. The device mattered. But the grid mattered just as much.

Giampaolo Marino, Chief Strategy and Growth Officer, Energous ambient IoT
Marino – sensors need infrastructure

Ambient IoT is approaching a similar moment.

The promise of battery-free sensing has sometimes been discussed as if energy harvesting alone solves the deployment problem. That framing is incomplete. Ambient harvesting is an important breakthrough, but harvesting energy is not the same as operating an enterprise-grade visibility network.

A sensor still needs to be energized reliably. It needs to be read consistently. Its data needs to move into cloud systems, enterprise applications, compliance workflows, and operational dashboards. That requires infrastructure.

This does not mean ambient IoT should replicate the heavy infrastructure model of legacy RFID. One of the category’s advantages is that it can be materially lighter and more scalable than older identification architectures. But infrastructure-light should not be confused with infrastructure-free. The goal is the right infrastructure: light enough to deploy economically, but robust enough to support real operations.

The tag is not the system

The market often talks about ambient IoT at the component level. How small is the tag? How inexpensive is it? What can it sense? How does it harvest energy?

Those questions matter, but they are not the questions enterprise buyers ultimately care about.

A retailer, logistics operator, food distributor, manufacturer, or pharmaceutical company does not experience a tag in isolation. It experiences a tag as a network. That network either provides reliable visibility across loading docks, cold rooms, warehouses, trucks, backrooms, staging areas, and dock doors – or it does not.

This distinction is critical because real operating environments are unforgiving. Goods move quickly, pallets pass through crowded zones, temperature changes, and doors open and close. Metal, moisture, distance, orientation, and human activity all affect performance. A system that works in a controlled demonstration may behave very differently when deployed across hundreds of facilities and thousands of daily movements.

The relevant question is not whether a sensor can wake up. The relevant question is whether the network can produce data the enterprise is willing to trust.

Partial visibility is not enterprise visibility

This is where ambient IoT deployments will increasingly be judged.

Many enterprise use cases do not tolerate partial visibility. If a system captures most events but misses too many edge cases, it cannot become the foundation for automation, compliance, traceability, inventory accuracy, or AI-driven decision-making.

In some environments, 80% visibility is not 80% success. It is operational failure.

That may sound harsh, but it reflects how these systems are used. Missing one in five reads can mean missed pallets, incomplete chain-of-custody records, inaccurate inventory, overlooked temperature excursions, unresolved shrink, or false confidence in a process that is still full of blind spots.

Enterprise users do not buy read rates as abstract technical metrics. They buy confidence. They need to know that the system is capturing the events that matter, including the difficult ones: fast movements, crowded thresholds, harsh environments, and high-volume workflows.

When visibility becomes the basis for action, incomplete data creates operational risk. Teams hesitate to automate; compliance groups question the record; executives lose confidence in the rollout; pilots stall before they can scale.

Harsh environments separate pilots from production

Cold chain illustrates the point clearly.

A refrigerated or frozen environment exposes weaknesses that an innovation lab demonstration never will. Hardware must withstand temperature extremes, condensation, moisture, physical handling, and continuous operation. Sensors and network infrastructure must continue working when products are moving, employees are busy, and conditions are far from ideal.

In these environments, the lowest-cost network layer can quickly become the most expensive part of the deployment. If infrastructure fails to produce consistent data, the enterprise does not merely lose a technical feature. It loses the ability to intervene before spoilage, document conditions for compliance, reduce waste, and protect product quality.

The same principle applies beyond food. Logistics, postal networks, pharmaceuticals, industrial operations, and retail distribution all require systems that perform in the field, not just in a pilot. Production environments reward architecture, durability, regulatory discipline, and system-level engineering. They expose shortcuts.

Total cost of ownership starts with trusted data

As ambient IoT matures, buyers will need to evaluate infrastructure differently.

The cheapest component is not always the lowest-cost deployment. A network should be assessed by the reliability of the data it produces, the environments it can withstand, the ease with which it can be deployed, the regulatory constraints it satisfies, the maintenance it requires, and the operational decisions it enables.

Failed pilots have a cost. Missed reads have a cost. Delayed rollouts have a cost. So do truck rolls, troubleshooting, replacement hardware, internal skepticism, and business processes built on incomplete data.

This is why total cost of ownership must become a central part of the ambient IoT conversation. The right infrastructure is not the most expensive option or the cheapest option. It is the architecture that produces trusted visibility at scale.

Infrastructure built for the real world – and for scale

Ambient IoT has already proven that battery-free sensing is possible. The next test is more demanding: whether the category can deliver the reliability enterprises need to run operations differently.

That will require wireless power infrastructure designed as core infrastructure. It will require systems engineered for RF performance, environmental durability, regulatory compliance, deployment flexibility, manufacturing scale, and long-term operational support.

The companies adopting ambient IoT are not looking for interesting technology. They are looking for visibility they can act on. That distinction will define the market’s next chapter.

The future of ambient IoT will not be determined by the smallest tag or the cheapest bridge. It will be determined by the systems that make physical operations continuously, reliably visible and secure.

Giampaolo Marino is chief strategy and growth officer at Energous and a technology executive with more than 20 years of experience in hardware and software development. He joined the company from Analog Devices (ADI), where he led the global strategic marketing and system applications teams focused on consumer and IoT platform solutions. Prior to ADI, he served as general manager and head of product line for audio and voice solutions at NXP Semiconductors, overseeing global teams across R&D, marketing, applications, business development, system architecture and product definition. He has also held senior roles at Monolithic Power Systems, Texas Instruments and Intersil. 

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