This article was previously published on 9/20/2022 and updated on 5/20/2026
The Internet of Things (IoT) refers to the growing network of connected devices that collect, exchange, and act on data across physical environments. These devices range from small, embedded sensors to large-scale industrial systems, all designed to improve visibility, automation, and decision-making. By integrating sensors, connectivity, and data processing, IoT enables objects to communicate information without requiring direct human input.
As IoT adoption has expanded, so has the need for reliable identification and tracking technologies. Connecting physical objects to digital systems requires more than just sensors; it requires a consistent way to identify, locate, and manage those objects throughout their lifecycle. This is where RFID technology plays a critical role.
RFID Technology in IoT Applications
Radio-Frequency Identification (RFID) is widely used to identify and track physical items using radio waves. Within IoT environments, RFID provides a link between physical assets and digital systems, enabling real-time visibility across manufacturing, logistics, healthcare, and retail operations.
RFID is a key technology for enabling automatic data capture and supporting supply chain visibility. By assigning a unique identifier to each tagged item, RFID allows systems to monitor movement, location, and status without manual scanning.
In IoT systems, RFID is often used alongside other technologies such as sensors, cameras, and cloud-based platforms. While sensors collect environmental data, RFID provides identity and context, allowing systems to associate data with specific items or assets.
How RFID Works Within Connected Systems
RFID technology has been in use for decades and continues to evolve alongside IoT systems. At its core, an RFID system consists of three primary components:
- RFID Tags (Inlays) – RFID tags contain a microchip and antenna that store and transmit data. Most tags used in supply chain and labeling applications are passive, meaning they do not have an internal power source and are activated by a reader signal.
- RFID Readers – Readers transmit radio waves that energize RFID tags and receive the data stored on the chip. This data is then passed to connected systems for processing.
- Software and Data Systems – RFID software platforms or integrated applications interpret tag data and connect it to broader business systems such as inventory management, warehouse management, or enterprise resource planning systems.
In IoT environments, these components work together to enable automated identification and continuous data capture. Unlike barcode systems, RFID does not require line-of-sight scanning, allowing multiple items to be identified simultaneously.
RFID Devices in IoT Applications
RFID technology is used across a wide range of IoT applications where identification, tracking, and data visibility are required. By combining RFID with connected systems, organizations can monitor assets, automate workflows, and improve operational control across environments.
- Asset Tracking
RFID tags are commonly attached to tools, equipment, and inventory to track location and status in real time. When integrated into IoT systems, this data can support asset utilization, reduce loss or theft, and improve inventory management across facilities. - Access Control and Security
RFID-enabled badges, key fobs, and credentials are widely used to control access to buildings, restricted areas, and secure environments. These systems help manage entry permissions while maintaining records of who accessed specific locations and when. - Time and Attendance Tracking
Passive RFID tags can be used to monitor the movement of employees, visitors, or deliveries. This supports workforce management, improves workflow visibility, and helps organizations maintain compliance with safety and operational requirements. - Vehicle and Fleet Tracking
RFID tags can be applied to vehicles such as trucks and buses, as well as to rail assets, to track movement and usage. In IoT-enabled systems, this data supports fleet management, traffic monitoring, and operational planning. - Product and Supply Chain Tracking
RFID is widely used to track products and packaging throughout the supply chain, from manufacturing through distribution and point of sale. This enables improved traceability, inventory accuracy, and visibility into product movement. - Container and Logistics Tracking
RFID tags applied to shipping containers and transport units enable organizations to monitor their locations, handling, and transfer points. This supports supply chain coordination, security, and compliance with logistics requirements. - Manufacturing Operations
In manufacturing environments, RFID is used to track materials, components, and work-in-progress items. When integrated with IoT systems, it provides visibility into production flow, equipment usage, and inventory availability, helping identify delays or inefficiencies. - Healthcare and Laboratory Environments
RFID supports the tracking of medical devices, supplies, and patient-related items. In laboratory settings, RFID can be used alongside environmental sensors to monitor the handling and storage of sensitive materials, helping maintain quality control and regulatory compliance. - Smart Homes and Consumer Devices
RFID and NFC technologies are used in consumer applications such as smart home systems, authentication devices, and connected access controls. These systems enable interaction between users and devices through secure, short-range communication. - Transportation and Infrastructure
RFID is used in tolling systems, transit cards, and infrastructure tracking to support automated identification and efficient movement of people and goods across transportation networks.
The ability to automatically identify and track items across these environments makes RFID a foundational technology within IoT systems that depend on accurate, real-time data.
RFID and IoT: Supporting Scalable, Data-Driven Operations
As IoT systems continue to expand, RFID plays an important role in enabling scalable data collection and asset visibility. RFID provides consistent identification across large volumes of items, allowing organizations to manage inventory, monitor movement, and support automation at scale.
Because RFID tags can be applied at the item level, organizations can track individual products across multiple stages of the supply chain. This level of visibility supports more accurate inventory management, improved traceability, and better coordination between systems.
The integration of RFID into IoT environments also supports interoperability when standardized data formats, such as GS1-defined EPC structures, are used. These standards help ensure that data can be shared across systems and stakeholders without loss of meaning or accuracy.
Tamarack Equipment for RFID Inlay and Label Production
The performance of RFID systems in IoT applications begins with the quality and consistency of the RFID labels and tags used throughout the process. Tamarack® Products provides RFID inlay insertion systems designed to support reliable label production in both inline and offline converting environments.
The Tamarack MVW Inline RFID Inlay Insertion Equipment produces RFID labels, tickets, and tags in a single pass on a new or existing flexo press. The servo-driven system is typically installed after print stations and before the finishing section, supporting integration into the press line. It is configured to insert dry inlays, with wet inlay capability also available, and includes operator-friendly controls, fast setup, and a simple web path. Optional features include static elimination systems and reader, marker, and encoder integration.
The Tamarack MVW Offline RFID Inlay Insertion Equipment provides a complete offline platform for inserting RFID inlays into a pre-printed web. The system includes a re-registration mechanism to align inlay placement to print and can be configured for wet inlays, dry inlays, or both. It supports multiple lanes for higher-volume production and offers options such as reader and marker encoder integration, multiple die-cut units, and roll-to-roll or roll-to-tag/ticket configurations.
Tamarack also offers RFID encoding capabilities through the Tamarack EZ RFID Encoder, which can be integrated into converting workflows to support encoding and verification during label production.
By supporting accurate inlay placement and integrated encoding, Tamarack equipment helps converters produce RFID labels and tags designed to perform consistently in connected IoT environments.
Tamarack® Products engineers precision RFID inlay insertion and encoding equipment for converters producing labels, tags, and tickets. We provide inline and offline systems designed to support accurate inlay placement and integrated RFID workflows across connected environments. Contact us today to explore RFID solutions for IoT and RFID integration.
