The new inlays sit within the company’s Optica Food Solutions portfolio and are engineered to tackle the specific RF challenges that have historically made tagging fresh food unreliable. High-moisture products, cold storage environments and tightly packed shelf layouts all degrade read performance with conventional inlay designs. IdentiFresh addresses this through a proprietary antenna geometry and inlay construction that maintains consistent readability even on densely stacked items in chilled meat cases and refrigerated display units.

At the IC level, the inlays leverage Impinj’s M800 series endpoint ICs with Gen2X capability, delivering improved tag population management and faster inventory reads in challenging conditions. The compact form factor has been designed to integrate with existing label formats, so retailers and suppliers can adopt the technology without overhauling their current labeling equipment or workflows.

The flexibility of the platform supports both in-store and supplier-side tagging. That distinction matters because it gives retailers multiple deployment paths. A grocer could begin by tagging at the store level to gain immediate shelf-level inventory accuracy, then extend upstream to supplier facilities as the programme scales.

The launch builds on Avery Dennison’s existing work with major US food retailers including Walmart and Kroger, both of which have been exploring RFID adoption across fresh categories.

The timing is significant. A recent survey of 3,500 food retailers and supply chain leaders globally found that 50% identified meat as a particularly difficult category for waste, with 45% citing produce and 28% pointing to baked goods. Over half of respondents said that poor inventory management and overstocking are major contributors to food waste, a problem whose economic cost across the global supply chain is projected to hit $540 billion by 2026.

Mathieu De Backer, VP of Intelligent Labels Innovation at Avery Dennison, described the launch as a breakthrough that enables reliable RFID use on fresh items from production through to the point of sale. George Dyche, VP of Endpoint IC Product at Impinj, noted the broader benefit simply: when food is sold before it expires, everyone wins.

For the wider RAIN RFID ecosystem, IdentiFresh represents a meaningful step. Fresh food has long been considered one of the hardest retail categories to tag at item level. If the read performance claims hold up across real-world deployments, this could accelerate adoption well beyond the apparel and general merchandise categories where UHF RFID is already established.

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The concept centres on integrating RFID tags on food batches or individual units and linking them to smartphone-based platforms or handheld scanners that capture data about conditions such as temperature, humidity and movement. For example, when a tagged product is handled or stored, the sensors and tag record the current conditions and can immediately transmit them to a cloud system for monitoring.

The benefits of this blended technology are significant. First, having real-time environmental data means potential spoilage, contamination or mishandling can be detected much earlier than traditional periodic checks allow. For perishables such as meat, dairy or fresh produce this is a major step forward in preventing food-borne illness and reducing waste. Second, the traceability chain becomes far richer. Beyond simply knowing where a product was at a given time we can know how it was handled and under what conditions throughout its life. This matters for compliance with regulatory standards and for brand trust. Finally, empowering smartphones as part of the system lowers cost and raises accessibility. Many workers in transport or storage already carry mobile devices so adding trace-capability via sensors and RFID reduces the barrier to adoption.

The report outlines real-world trials where smartphone-RFID systems have been deployed in food chains. One such system in South Korea monitored kimchi transport with smartphone sensors and RFID tags, capturing temperature and humidity across stages and validating that the tagged items stayed within safe bounds. The results showed that the integrated system provided data at scale with accuracy and responsiveness superior to older manual systems.

Practically, deploying such technology does carry challenges. One is connectivity and infrastructure; some colder-chain or rural transport networks may still lack consistent mobile data or cloud access. Another is data integrity and standardisation: when multiple parties handle a product (farmers, processors, distributors, retailers) the system must ensure consistent tag reading, sensor calibration, and data sharing protocols. Finally cost can be a factor for smaller producers or importers. However, as sensor and tag costs continue to fall and software platforms mature the economics are improving rapidly. 

The convergence of smartphone sensors, ambient IoT and RFID tagging is changing how food supply chains will be managed. Tracking will no longer be periodic or batch-based only but continuous and condition-aware. For suppliers, logistics firms and retailers this opens possibilities: automatic alerts when conditions deviate, dynamic rerouting of shipments, better shelf-life predictions and enhanced recall capability when needed. For consumers the transparency of being able to trace not just where a product came from, but how it was handled and under what conditions, builds trust and adds value.

The integration of smartphone sensors with RFID in food traceability can be a leap forward. It merges low-cost mobile hardware, sensor analytics and automated tagging to create a smarter, safer supply chain. As the field scales, stakeholders who embrace this early may gain both operational efficiency and competitive advantage.

Review the research paper here

The post Smartphone Sensors and RFID Revolutionise Food Traceability with Real-Time Monitoring first appeared on RFID News.

The food deliveries will be traced from food suppliers, through their distribution centres and into their restaurants with full tracking of their journey. This will allow Chipotle to improve food safety and quality and automate some of the HACCP documentation requirements.

“RFID labels transform inventory management into an automatic, digital function that optimizes restaurant operations and gives our Restaurant Support Centers access to inventory data in real-time”

Scott Boatwright, Chief Restaurant Officer.

Chipotle have suffered some issues with hygiene and were fined $25m (FT.com) which was later deferred after agreements with the US Justice department. Clearly Chipotle have stout to rectify some of those issues through RFID technology to provide traceability and transparency in their food supply chain and storage in their kitchens.

The implementation of RFID technology is not only within Chipotle themselves, but also within participating suppliers who have also invested in this technology, teaming up with RFID partners including RFID software provider Mojix, materials science and RFID innovator Avery Dennison, and RFID reader and encoder solutions provider Zebra Technologies.

It does seem that Chipotle are using RFID in a very narrow area of their business and missing many of the advantages of RFID technology can bring. The benefits that can be found through RFID in stock control, HACCP inspections, reducing food waste, improving cleaning and hygiene, content delivery to customers, customer loyalty schemes and gathering data are seemingly being missed.

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