Gen2X is the next step in RFID technology, designed to make tracking and managing assets faster, more reliable, and easier than Gen2 RFID standards. Developed after two decades of real-world collaboration with some of the world’s largest companies, Impinj’s Gen2X builds on the foundation of Gen2 RFID protocols while addressing the practical challenges faced in warehouses, retail stores, logistics hubs, and other high-volume operations. It brings improvements in read accuracy, performance, and security, ensuring your inventory counts are cleaner, dispatches are faster, and manual errors are minimised. Plus, it’s “royalty-free” for those using Impinj chips, so these enhancements are built directly into the standard, delivering smarter, more efficient RFID without extra complexity.
In this blogpost, let’s explore what Gen2X is and how it benefits businesses using RFID with Gen2X-compatible RFID tags and readers.
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What is Gen2X RFID Standard?
Impinj Gen2X is an enhancement to the RAIN RFID Gen2 (EPC Gen2 / ISO-18000-63) protocol that improves read speed, range, and reliability while staying backward-compatible with Gen2 systems. These RFID tags and readers are mainly supported by Impinj M800 series endpoint ICs (e.g., M830/M850) and newer M770/M780, with reader support via Impinj E-family reader IC firmware. These are designed to offer faster inventory, longer read range, better reading of dense/small/liquid/metal items, plus security features like authentication and protected mode, ensuring that retailers have a clear advantage in inventory visibility, accuracy and item-level tracking, from supply chain to stores and warehouses.
What are the Benefits of Switching to Gen2X?
At National Retail Fedreation: Retail's Big Show this year in January, Zebra and Impinj outlined the endless benefits of Gen2X standards , not only for retailers but supply chain, logistics and manuafcturing businesses as well.
1.Faster Dense Tag Capture in High-Volume Zones
Gen2X can read a large number of RFID tags quickly, even in dense environments like packed warehouse racks or busy retail backrooms. This helps teams complete inventory checks, verify shipments, and track stock movements much faster without slowing operations.
2. Higher First-Pass Inventory Accuracy
One of the biggest advantages of Gen2X is improved read reliability. It captures tags more consistently during the first scan itself, which means fewer missed items and less need for repeated counting. As a result, inventory data becomes more trustworthy from the start.
3. Improved Performance in Metal-Heavy Environments
RFID signals often struggle around metal surfaces, which are common in warehouses, equipment storage, and industrial setups. Gen2X improves signal handling in these conditions, allowing tags to be detected more reliably even when metal is present nearby.
4. Increased Memory Storage
Gen2X tags can support more memory compared to earlier versions. This allows businesses to store additional information directly on the tag, such as product details, batch numbers, or asset data, making tracking and identification more flexible across different workflows.
5. Improved Security
Gen2X introduces stronger security features that help protect the data stored on RFID tags. With improved authentication and better control over tag access, businesses can reduce the risk of unauthorised reading or tampering, ensuring that tracking information remains accurate and secure.
RFID Devices Compatible with Gen2X
Gen2X works with RFID devices built on EPC Gen2v2 / ISO 18000-63 standards and Impinj chipsets. These devices are designed to support advanced RFID commands, improved read performance, and enhanced security features introduced with Gen2X technology.
Compatible RFID Tags
RFID tags are the first component in a Gen2X system because they carry the unique identification data that readers capture. Tags built on Gen2v2 chips offer better read sensitivity, improved memory handling, and more stable performance in dense environments such as warehouses, manufacturing floors, or logistics yards.
Gen2X RFID Tags
1.5434 UHF RFID Labels, M830 chip
2. 7418 UHF RFID Labels, M830 chip
3. Smartrac DogBone RFID Labels & Inlays, M830
4. AD-164U9 UHF RFID Wet Inlay, NXP UCode9
5. RFID Mount On-Metal Label Tag, M830, 60mm*25mm
These tags support EPC Gen2X / ISO 18000-63 communication and use Impinj M800 series chip, enabling reliable reads even on metal surfaces such as racks, containers, or industrial tools. You can find these tags at market-best prices on EnCstore.com .
RFID Readers
RFID readers communicate with the tags and collect their data. Gen2X-compatible readers are built with Impinj E-series chipsets that support advanced RFID commands, faster tag capture, and better-read reliability in high-density tag environments.
Gen2X Compatible RFID Readers
1.Chainway R3S Desktop RFID Reader
2. Chainway MC51 RFID Handheld Reader
3. Impinj R700 RAIN RFID Reader
5. Impinj R720 Fixed RFID Reader
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Why Gen2X is Better Than Gen2
Gen2X improves the performance of traditional Gen2 RFID systems by making inventory faster and more accurate in dense environments. In one demonstration, a handheld reader using Gen2X was able to inventory 98% of items in 13 seconds, while the same setup using standard Gen2 only captured 79% of items in the same time.
Gen2X also helps speed up operational workflows. In one real deployment, a company reduced the time required to inventory 500 files by about 50 seconds, cutting the overall inventory time by around 50%.
In simple terms, Gen2X delivers faster tag capture, higher read accuracy, and quicker inventory cycles, making RFID systems more
efficient for warehouses, retail inventory counting, and asset tracking operations.
To summarize, the main takeaways are as follows: Gen2X is a practical upgrade for businesses already using UHF RFID systems. It improves how RFID performs in real operational environments by delivering faster tag capture, higher read accuracy, and more reliable inventory data. For warehouses, retail stores, and logistics operations where hundreds or thousands of tagged items need to be tracked, these improvements can make daily tasks like inventory counting, asset tracking, and dispatch verification much faster and more consistent.
With better performance in dense tag environments, improved security features, and higher memory capacity, Gen2X allows companies to manage assets and inventory with greater confidence. Since it is built on the Gen2v2 standard, many existing RFID infrastructures can support it with compatible tags and readers, making the transition easier.
In simple terms, switching to Gen2X helps businesses reduce missed reads, speed up inventory processes, and improve overall operational visibility, making RFID systems more efficient for real-world applications. You can find these RFID Gen2X tags and readers at the best prices on EnCstore.com.
Frequently Asked Questions
● What is Gen2X in RFID, and how is it different from Gen2?
Gen2X is an enhancement to the EPC Gen2v2 RFID standard that improves tag reading speed, accuracy, and reliability, especially in environments where large numbers of tags need to be scanned.
● Do I need new RFID tags and readers to use Gen2X technology?
Gen2X works with Gen2v2-based RFID tags and compatible readers. Older Gen2 tags will still function, but they will not support the improved Gen2X performance features.
● Can Gen2X improve RFID inventory counting speed in warehouses or retail stores?
Yes. Gen2X helps readers capture more tags in a shorter time, allowing teams to complete inventory counts faster while reducing missed items.
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