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SML RFID Reveals GB5U8 Inlay – A Small, High Performing Inlay Developed For Both Inventory and Loss Prevention


NRF, NEW YORK - 14th January 2019: SML RFID, a global leader in delivering high-performance RFID solutions for the retail market, has today announced the latest addition to its range of high-performance RFID inlays, the GB5U8. Measuring at just 42 x 24 mm, the GB5U8 is the smallest RFID inlay aimed at broad use in the retail market enabling state-of-the-art inventory management for omnichannel retailers. The tag is a foundational element in the pragmatic revolution of retailing and supports both item-level inventory management and loss prevention. Due to its size and performance, the tag is applicable to a number of retail market segments including; apparel, accessories, cosmetics, eyewear, homeware, sporting goods and more.

The GB5U8 inlay meets a number of active ARC categories including; A, B, C, D, F, G, M, Q, I and K. Set by Auburn University, the ARC categories are a set of industry-wide performance requirements needed to ensure that the RFID technology meets or exceeds a level of performance that benefits both retailers and suppliers. The inlay is the smallest of its kind that has passed categories F and I within the marketplace in addition to utilizing the full capabilities of a new, highly-sensitive RFID chip, UCODE8 from NXP.

GB5U8 Inlay
GB5U8 Inlay

SML RFID continues to create ARC-approved tag technology in a bid to find the best ways to serve the ever expanding set retailers’ needs. With the largest service bureau network in the market, a wide spectrum of tag format options, state-of-the-art research centers and an industry leading in-store solutions business, the company continues to pragmatically revolutionize the retail market.

“Retailers want smaller price tickets/labels/sew-ins and want to use these carriers to simultaneously support both item-level RFID inventory management and loss prevention,” says Dean Frew, CTO and Senior Vice President of RFID solutions for SML Group. “We already have a number of customers that are asking for both RFID only and the RFID+RF EAS inlays and see this need for flexibility and configurability as an accelerating trend in the future.”

The GB5U8 inlay can be used for inventory management or, when combined with an RFID EAS tag, as an inventory management and RFID EAS solution. The latter would enable the inlay to be used with existing RF EAS pedestals in stores eliminating the need for hard tags. SML RFID has also developed the instore technology that supports this functionality at Point of Sale (POS) and store exit.

“The new GB5U8 inlay has been developed to provide a full set of capabilities that modern retailers need from an RFID tag - a compact antenna design, global frequency coverage and improved sensitivity,” comments Dr. Jeremy Liu, Vice President of RFID Technology, SML Group. “A compact design combined with UCODE8’s best-in-class performance means the GB5U8 is one of the best inlays suited for retail inventory management and loss prevention applications.”


As the leading full-service RFID solution provider, SML is a trusted partner to the world’s largest retailers and top fashion brands, delivering proven results and rapid ROI. SML offers a broad spectrum of certified RFID-enabled tags and the enterprise-class Clarity™ RFID software application suite providing best-in-class item-level RFID inventory management in-store and throughout the supply chain.

SML has successfully deployed RFID tags and software solutions to some of the world’s most prominent retailers, including Decathlon, Herman Kay, Marks & Spencer, Lids, Mydyer, Tesco and many others. SML delivered over one and half billion encoded RFID tags to retailers in 2018 and over ten billion retail RFID transactions were successfully conducted on Clarity™ in 2018 creating millions of dollars in enterprise benefit for our retailer and brand owner customers around the globe. Whether a retailer or brand owner needs millions of high quality encoded RFID tags delivered to factories around the world, or they need a full RFID software solution to drive significant business transformation, or both, SML is the Technology Behind this New Era in Retailing.

For more information about any of our RFID tag or software solutions visit our SML-RFID website at or reach out to us at

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