Case Study: Royal Mail’s Massive Deployment of Wiliot IoT Pixels on 850,000 Rolling Containers

When a 500-year-old institution like Royal Mail adopts cutting-edge technology on its reusable rolling containers, the results are nothing short of transformative. The iconic postal service is leveraging Wiliot’s IoT Pixels to revolutionize logistics, enhance efficiency, and promote sustainability. This article is based on a Wiliot press release and a related episode of the Mr. Beacon podcast.

Introducing the Royal Mail’s IoT Initiative

In October 2024, Royal Mail became the first delivery company worldwide to implement Wiliot’s innovative IoT Pixels. This collaboration has seen the tagging of 850,000 rolling containers, or “Yorks,” with Wiliot’s battery-free Bluetooth-enabled devices. The project is a critical component of Royal Mail’s broader strategy to modernize its operations, improve efficiency, and advance its goal of achieving net-zero carbon emissions by 2040.

The Need for IoT

Royal Mail, a centuries-old institution serving over 32 million addresses in the UK, faced increasing operational complexity due to rising parcel volumes and heightened customer expectations for next-day deliveries. Its network, comprising 37 mail centers, two automated parcel hubs, 1,200 delivery offices, and a fleet of 6,000-7,000 vehicles, required more precise logistics coordination.

The main challenge was tracking the 850,000 Yorks, essential for transporting letters and parcels. Without accurate data on container locations and availability, inefficiencies arose, leading to delays, increased costs, and wasted resources. “If it’s all one way, you would just end up with everything in the final mile,” said Nitin Kamboj, Royal Mail’s Head of Strategy for Digital Supply Chain. “Your customers don’t have enough containers to ship, and your middle mile sites don’t have enough to move items around.”

Additionally, tracking these assets relied heavily on manual processes such as phone calls and emails, creating inefficiencies and missed opportunities for optimization.

Why Royal Mail Went With Wiliot

After evaluating technologies like RFID and battery-powered Bluetooth solutions, Royal Mail opted for Wiliot’s IoT Pixels. This decision was driven by several factors:

1. Battery-Free Design: Wiliot’s tags are powered by ambient radio waves, eliminating the need for costly and maintenance-intensive battery replacements. “Once you deploy a battery-free technology, you’re just done. It lasts indefinitely without damage,” said Kamboj.
2. Scalability and Cost: Unlike RFID, which requires chokepoint infrastructure at every entry and exit point, Wiliot’s system is highly scalable and cost-effective. “RFID’s infrastructure cost was prohibitive, especially for our customer sites and third-party locations,” Kamboj noted.
3. Versatility and Integration: Wiliot’s solution integrates seamlessly with Royal Mail’s digital systems, enabling real-time data visualization through a digital twin and control tower. This allows Royal Mail to combine asset tracking with other operational data, bridging gaps in its supply chain visibility.

Deployment: Multiple Tag Redundancy Provides Reliability

Wiliot’s IoT Pixels, tiny computers embedded in sticker-like tags, were affixed to each York. Each tag transmits data such as location, temperature, and humidity via Bluetooth to sensors installed in vehicles. The data is then fed into Royal Mail’s digital systems, creating a live map of container movements across its network.

To ensure reliability, each container was equipped with multiple tags to provide redundancy in harsh operating conditions. “The temperature inside our vehicles can range from -20°C to 50°C, so the devices needed to withstand extreme environments,” explained Kamboj.

Royal Mail collaborated with ERM, a telematics device manufacturer, to develop 20,000 custom Bluetooth readers for its vehicles. The deployment process was carefully planned to minimize disruption to daily operations, starting with larger vehicles first.

Early Wins

Since implementation, Royal Mail has enjoyed several key benefits:

1. Enhanced Visibility, Efficiency and Availability: Real-time tracking enables better orchestration of container movements, reducing delays and ensuring availability of equipment where needed and when needed. “The solution ensures a balance across thousands of customer sites and operational locations,” said Kamboj.
2. Reduced Costs and Carbon Emissions: By optimizing vehicle utilization, Royal Mail has cut fuel use and operating costs. “This technology lets us right-size our vehicles and streamline movements, leading to both cost savings and environmental benefits,” noted Kamboj.
3. Streamlined Operations: Automation has replaced manual processes like phone calls and emails, freeing up resources for other priorities. “We wanted a solution that didn’t require input from drivers or dock operators. It just works seamlessly,” he added.

Looking Ahead

Royal Mail envisions expanding its use of IoT Pixels to include individual parcels, offering even more granular visibility into its operations. This would enable precise tracking of carbon emissions at the parcel level and provide customers with enhanced transparency.

Additionally, Royal Mail plans to deploy Bluetooth readers within its buildings, further integrating in-transit and on-site tracking data. The ultimate goal is to extend this technology across the entire supply chain, from manufacturing to doorstep delivery. “The vision is to track an item from the point of manufacturing through to the final delivery, all using the same technology,” Kamboj explained.

Takeaways

The project has provided valuable insights for organizations considering similar implementations:

1. Focus on Operational Needs: Royal Mail identified asset tracking as a foundational problem and built its solution with scalability in mind. “Don’t introduce new tech just because it’s modern. Identify a real business problem and solve it,” advised Kamboj.
2. Collaboration is Key: The partnership between Royal Mail, Wiliot, and ERM ensured that the solution was tailored to Royal Mail’s unique requirements, from rugged hardware to seamless software integration.
3. Build for the Future: By choosing a technology capable of scaling to parcel-level tracking, Royal Mail future-proofed its investment. “We didn’t want to create isolated solutions. Everything feeds into our digital twin and control tower for an enterprise-wide view,” said Kamboj.

Conclusion

Royal Mail’s deployment of Wiliot IoT Pixels represents a landmark achievement in logistics innovation. By combining cutting-edge technology with a forward-looking strategy, the company has set a new standard for efficiency, sustainability, and customer service in the postal industry.

“Data-led modernization is an important part of our strategy to improve the effectiveness of our operation and make it as efficient and customer focussed as possible,” said Nathan Preston, Tech Director for Strategy, Innovation & Data at Royal Mail. “We are excited to be the first postal company in the world to be using Wiliot’s innovative technology.

“It has huge potential, from increasing reliability by allowing us to quickly spot and address any issues in the network, to reducing our carbon footprint by helping us to better fill our vehicles to avoid wasted journeys. Combining Wiliot data with other sources, we can more efficiently monitor the items in our network, without the need for any additional manual scanning.”

“Royal Mail’s heritage is well established and very rich,” added Tal Tamir, Wiliot ‘s CEO. “The significance of being central to its digital transformation mission is not lost on us. Through our platform, we’re able to provide complete visibility across the supply chain, giving organisations young and old the tools they need to deliver faster, safer and more environmentally sustainable services and solutions.”

As Royal Mail continues its journey, its experience offers insights for other organizations seeking to modernize their supply chains. “This is an exciting, never-ending journey,” concluded Kamboj. “We’re just getting started.”

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Rick LeBlanc

Rick LeBlanc, EMBA, is the founder and editor of Reusable Packaging News (subscribe to the free newsletter) and editor of Western Pallet Magazine. A supply chain journalist with more than 30 years of experience, he specializes in pallets, reusable packaging, material handling and related operations. Rick is co-author of Pallets: A North American Perspective and Pallets & Progress: A Collected History of Pallets and Palletized Handling 1922–1945. He is also an advisory board member of the Virginia Tech Center for Packaging and Unit Load Design. Read Rick’s full bio.