KAGA FEI Develops Ultra-small Bluetooth Low Energy Module Compatible with Bluetooth 6.0
10.10.2024 16:00:00 CEST | Business Wire | Press release
KAGA FEI Co., Ltd., a global provider of leading short distance wireless modules, announced today the ES4L15BA1 Bluetooth Low Energy module.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20241010420482/en/

ES4L15BA1 (Photo: Business Wire)
The module has a built-in antenna and has obtained various certifications. Consequently, it reduces the development time and certification costs for next-generation wireless IoT products such as IoT devices, small medical/healthcare products, and wearable devices that require a compact form factor, enabling faster time-to-market.
The ES4L15BA1 also supports channel sounding for accurate distance measurement, providing further convenience for applications requiring reliable distance information or enhanced security based on device distance information, such as unlocking devices based on their proximity.
Furthermore, it supports PSA*1 certification, making it easier to develop IoT devices that meet advanced security requirements. Mass production is scheduled to begin in September 2025. KAGA FEI will continue to respond to market needs and expand its product lineup.
Product Features
-
World’s Smallest Compact Form Factor
The ES4L15BA1 utilizes our proprietary technology to integrate into a 3.25x8.55x1.00mm form factor, achieving the world’s smallest size as an antenna-integrated module compatible with Bluetooth 6.0. -
High Processing Power and Large Memory
The ES4L15BA1 includes an Arm Cortex-M33 processor, RISC-V coprocessor, 1.5MB of non-volatile memory, and 256KB RAM, providing excellent processing performance and high processing efficiency. -
Built-in Antenna and Pre-Certified
Features a built-in antenna, eliminating the need for antenna design. It has obtained Bluetooth qualification and certifications for Radio Law MIC (Japan), FCC (USA), and ISED (Canada), reducing time and costs. In addition, it supports Bluetooth SIG qualification for the latest Bluetooth 6.0 standard, which enables channel sounding function for accurate distance measurement.
Product Availability
Sample | : February 2025 |
Start of mass production | : September 2025 |
About Trademarks
The product names and other proper nouns mentioned herein are trademarks or registered trademarks of their respective companies.
*1. PSA (Platform Security Architecture): PSA is a certification scheme led by Arm. Level 3 is the highest level of certification for protecting IoT devices from physical and software attacks.
KAGA FEI website
https://www.kagafei.com/jp/eng/
Disclaimer
Product specifications, service content, etc. stated in the news release are as of the date of announcement and is subject to change without notice.
View source version on businesswire.com: https://www.businesswire.com/news/home/20241010420482/en/

Subscribe to releases from Business Wire
Subscribe to all the latest releases from Business Wire by registering your e-mail address below. You can unsubscribe at any time.
Latest releases from Business Wire
Fi Expands International Footprint to 38 Countries Worldwide2.6.2026 19:25:00 CEST | Press release
Series 3+ and Mini are now available to pet owners across new European markets Fi, the leader in smart pet technology, today announced a major international expansion, bringing its AI-powered GPS pet wearables and connectivity network to 38 countries across North America and Europe. Fi devices are now available for purchase in 29 markets, including newly added countries such as Finland, Sweden, Denmark, Austria, Belgium, the Netherlands, Romania, Slovakia, and Latvia. Through Fi's international connectivity network, customers can also use Fi in Switzerland, Norway, Liechtenstein, Iceland, and Turkey, bringing Fi's total coverage footprint to 38 countries. The expansion reflects growing demand from pet owners who want reliable connectivity and health insights, whether they're at home or traveling abroad. "Wherever your pet roams, Fi should work," said Jonathan Bensamoun, Founder and CEO of Fi. "As more pet owners travel internationally and expect seamless connectivity, we're expanding F
XFolio AI Acquires Absolute Payment Solutions to Unify Treasury and Payments for UK Corporates2.6.2026 19:16:00 CEST | Press release
XFolio AI (xfolio.ai), a Paris-based treasury and cash management technology group, has acquired Absolute Payment Solutions (APS) (https://www.absolutepayments.com/), one of a select number of Pay.UK-accredited Bacs service providers in the UK. This acquisition creates an integrated platform spanning Bacs and all payment types, open banking, risk management, and treasury—giving UK corporates of all sizes the tools to manage cash and execute payments in one place. APS’s Bacs accreditation underpins payment services relied upon daily by organisations across both the public and private sectors, from SMEs running payroll and direct debit collections to large corporates processing high-volume payment flows. While enterprise payment platforms often demand significant scale and budget, and lighter solutions trade capability for speed of setup, APS and XFolio together deliver accredited Bacs infrastructure combined with advanced treasury intelligence across SWIFT, API, H2H, and EBICS rails—wit
Amazfit Introduces a New Era of Hybrid Training with Balance 3 and Balance Ultra2.6.2026 19:00:00 CEST | Press release
The new Balance series powers Amazfit’s Hybrid Training System, combining advanced smartwatch hardware with Zepp App intelligence to help athletes train with structure across strength, endurance, recovery, and daily life Amazfit, a leading global smart wearable brand owned by Zepp Health, today unveiled the Amazfit Balance 3 and Amazfit Balance Ultra, the newest additions to the Balance series and the hero watches for Amazfit’s new Hybrid Training System, connecting performance tracking with intelligent training guidance through the Zepp App. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260602329170/en/ Built around how modern athletes train today, Balance 3 and Balance Ultra are designed for people balancing strength, endurance, recovery, work, stress, and daily life. The devices serve as the engine layer of the connected Hybrid Training ecosystem, capturing how users train, recover, and respond over time. The products we
Mouser's Rise of the Robots Program Explores Humanoid Design Considerations2.6.2026 17:19:00 CEST | Press release
Mouser Electronics, Inc., the authorized global distributor with the newest electronic components and industrial automation products, today announced the latest installment of its Empowering Innovation Together (EIT) technology series, Rise of the Robots, which explores key technologies behind humanoid robots and their potential for transformation. The series shares how these robots have progressed from simple machinery to critical tools used in caregiving, industrial automation, education, and even in the harshest environments. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260602293561/en/ The latest EIT installment explores the engineering design process, system integration challenges, and the role of legacy infrastructure, safety, and ROI in shaping scalable humanoid robot deployment. While science fiction has long envisioned robots resembling humans, recent advances in sensing, actuation, AI, embedded computing, and pow
Blue Cloud Ventures Announces Final Close of Blue Cloud Ventures V2.6.2026 16:35:00 CEST | Press release
With over $1B in assets under management, Blue Cloud Ventures strengthens its commitment to the next generation of AI-driven enterprise software companies Blue Cloud Ventures (BCV), a venture growth firm focused on investing in enterprise software companies, announced the final close of its fifth fund, Blue Cloud Ventures V (BCV V). This milestone reinforces the firm’s continued mission to back category-defining companies that are poised to thrive in the age of AI. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260602186634/en/ At the core of BCV’s strategy is building deep conviction in and backing companies that possess the potential to define or reshape entire industries. With BCV V, the firm is doubling down on its AI-first investment thesis, aiming to back and support visionary teams on their long-term growth journey as they build the systems that will serve as the backbone of the modern enterprise. Blue Cloud typically
In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.
Visit our pressroom