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UHF & Antennas

UHF and RAIN-adjacent antenna design, tag performance, and reader physics research for RFID engineers.

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newsRFID JournalOctober 26, 2026 Global

Impinj’s Matt Branda on Physical Intelligence, Physical AI and the Data Enterprise AI Needs: The RFID Journal Q&A

Impinj is reframing its value proposition around Physical Intelligence, emphasizing trusted, real-time item-level data to bridge the gap between physical operations and enterprise AI. RAIN RFID paired with partner-led solutions and Gen2X innovations provides a foundation that enables enterprises to scale automation and AI with greater confidence.

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newsRFID NewsOctober 17, 2026 Europe

The Physics of RFID: Backscatter, Coupling, and Energy Harvesting

UHF reader power reaching a passive tag decreases to a quarter when distance is doubled, while power at HF decreases with the cube of the gap. These physical principles of backscatter, inductive coupling, and energy harvesting suggest that increasing transmit power is often an ineffective solution for addressing coverage gaps or challenging environmental interference.

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newsIEEE Council on RFIDOctober 5, 2026 Global

2026 IEEE CRFID James Clerk Maxwell Best Journal Paper Award

The identified research explores a method for strengthening RFID antenna electromagnetic fingerprints by utilizing non-linear interrogation techniques. This development suggests that leveraging non-linear responses could provide a more robust mechanism for device authentication or identification within the RFID ecosystem.

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newsRFID NewsSeptember 14, 2026 Europe

LZPD NRW and Duisburg Police Test First Patrol Car with Intelligent Equipment Tracking Using RFID

The German police have begun field-testing patrol cars equipped with integrated RFID antennas that automatically inventory approximately 50 pieces of emergency equipment via the vehicle's infotainment system. This automation eliminates manual shift-change checklists, reducing human error and ensuring operational readiness while demonstrating a high-value use case for ruggedized UHF RFID in mobile asset management.

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newsRFID NewsSeptember 5, 2026 Europe

RFID Standards and Protocols: EPC Gen2, ISO 18000, and Beyond

The EPC Gen2 (ISO 18000-63) standard provides the fundamental framework for UHF RFID interoperability, governing memory structure, anti-collision algorithms, and modern cryptographic authentication. Establishing these universal protocols ensures that hardware from diverse manufacturers remains compatible, which is critical for scaling global supply chains and reducing integration costs for end-users.

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newsRFID NewsSeptember 3, 2026 Europe

FEIG uses UHF RFID to check fire appliance equipment is back on board

FEIG Electronic has deployed UHF RFID systems that allow fire appliances to automatically inventory critical equipment like hoses and breathing sets to ensure readiness before deployment. The solution utilizes near-field antennas to constrain read zones, preventing interference or false reads from neighboring emergency vehicles in high-density fire stations.

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newsRFID NewsAugust 20, 2026 Europe

Avery Dennison ships the first UCODE X inlays

Avery Dennison has launched the AD Miniweb Global, the first ARC-certified inlay utilizing the NXP UCODE X chip. This development provides a single-SKU solution that performs consistently across global frequency bands, significantly reducing inventory complexity and logistics costs for multinational retailers and supply chain integrators.

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researcharXiv (Signal Processing)August 19, 2026 Global

Multi-Tag Collision Recovery in UHF-RFID Using Self-Attention Decoding

Self-Attention Tag Recovery (SATR) utilizes a transformer-based algorithm to decode overlapping signals from up to four colliding UHF-RFID tags, achieving throughput gains of up to 5.1 times the standard ALOHA limit. This development allows integrators to significantly increase read rates in high-density environments without upgrading existing tag hardware, addressing a primary bottleneck in inventory speed and efficiency.

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newsRFID NewsJuly 3, 2026 Europe

RFID Antennas Demystified: How They Shape Read Performance

Optimal RFID system performance depends on matching antenna attributes like polarization, gain, and beamwidth to specific environmental constraints. Selecting the correct antenna design—whether dipole, patch, or near-field—is a critical technical decision that directly determines read range, reliability, and the overall commercial viability of a deployment.

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newsRFID NewsJune 17, 2026 Europe

Anatomy of an RFID Tag: Chip, Antenna, Substrate

Modern RFID tags are composed of an integrated circuit, an antenna, and a substrate, with each layer dictating the final performance and environmental durability of the unit. For manufacturers and integrators, understanding these component synergies is critical for selecting the correct configuration to ensure reliable data transmission and optimal read ranges in challenging industrial or retail settings.

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researchNatureJune 9, 2026 Global

Development of an RFID sensor tag reading method in shielded areas based on an extended antenna

Researchers have successfully demonstrated a passive RFID system that utilizes extended, coupled antennas to transmit signals into electromagnetically shielded environments, such as metal enclosures. This development allows manufacturers to monitor internal conditions in previously inaccessible assets without structural modifications, significantly expanding the addressable market for industrial IoT sensing in harsh environments.

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