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
DDN Selected to Modernize Research Data Infrastructure at UNSW Sydney26.10.2026 22:30:00 CET | Press release
DDN EXAScaler and Arcitecta Mediaflux will replace 11 legacy storage systems, simplifying access to research data while balancing performance and cost DDN, the global leader in AI and data intelligence solutions, today announced that UNSW Sydney has selected DDN to deliver a new research data storage environment as part of the university’s Research Data Experience (RDE) program. Working with Australian software company Arcitecta, DDN will combine its EXAScaler parallel file system with Arcitecta’s Mediaflux® data management platform to help researchers spend less time managing data and more time using it. Following an extensive 18-month evaluation, UNSW selected an integrated approach that will replace 11 legacy storage systems with a coordinated environment for high-performance storage and enterprise data management. The decision reflects a broader challenge facing research-intensive institutions: how to support rapidly expanding scientific datasets while simplifying infrastructure, i
Agent Assurance by TestMu AI Is Now Generally Available, Letting Teams Test What Their AI Agents Actually Change26.10.2026 16:15:00 CET | Press release
The trial includes 4,000 credits and four concurrent runs, so a team can generate functional and adversarial suites from its own agent's docs and endpoint, with code optional, and gate CI on evidence-backed verdicts without booking a demo. TestMu AI (formerly LambdaTest), the world's first Agentic AI-powered Quality Engineering platform, today announced the general availability of Agent Assurance. Agent Assurance tests AI agents that take actions, such as calling tools, writing files, and changing records, by checking what a run actually changed rather than what the agent says it did. Any team can now create a TestMu AI account and run it against its own agent without booking a demo first. Agent Assurance launched on August 17, 2026, behind a waitlist and a guided onboarding session. Since then, Rook, the CLI that runs Agent Assurance, has shipped a steady run of releases, shaped by feedback from early teams. Agent evaluation has mostly graded the final reply, and that reply can be wro
Actiphy Announces ImageServer for Centralized Backup Storage and Post-Backup Processing26.10.2026 16:13:00 CET | Press release
New platform combines centralized backup management, Inter-File Deduplication, automated workflows, and remote replication. Actiphy™, Inc., a provider of backup, disaster recovery, and virtualization software, today announced Actiphy ImageServer™, a centralized platform for storing, managing, verifying, and replicating backups created with ActiveImage Protector™. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261026410729/en/ Actiphy ImageServer Console ImageServer combines the management capabilities of Actiphy ImageCenter™ with the secure storage of Actiphy StorageServer™. By moving Verify, Replication, Consolidation, and BootCheck™ to a dedicated server, ImageServer reduces processing load on protected systems and simplifies backup administration. As organizations protect more systems and retain more backup generations, storage and administrative demands grow. ImageServer addresses these challenges by centralizing backup
Dubai Chambers Launches World's First Agentic AI Marketplace by a Chamber of Commerce26.10.2026 16:06:00 CET | Press release
Dubai Chambers has launched Chamber AI Hub, the world's first Agentic AI marketplace developed by a chamber of commerce, enabling businesses in Dubai to access ready-to-use AI agents that independently perform a range of administrative and operational tasks. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261026467531/en/ H.E. Sultan bin Saeed Al Mansoori Chairman of Dubai Chambers. (Photo: AETOSWire) The marketplace currently offers 22 specialised AI agents across seven business functions including Compliance, Procurement, Operations, Finance, Sales, Human Resources, and Logistics. The offering is set to expand to 100 agents. The initiative supports Dubai's efforts to accelerate the adoption of Agentic AI across the private sector, helping businesses enhance efficiency, strengthen competitiveness, and transform their operating models. H.E. Eng. Sultan bin Saeed Al Mansoori, Chairman of Dubai Chambers, commented: “Success in
Media Release: Allianz Beach Arena for the LA28 Olympic and Paralympic Games Joins the Allianz Family of Stadiums26.10.2026 15:37:00 CET | Press release
First Olympic and Paralympic venue in history to display the Allianz name and the eighth member of the Allianz Family of Stadiums.The nearly 15,000 seat temporary arena on the Long Beach waterfront will host Olympic Beach Volleyball and Paralympic Blind Football (Soccer).Allianz unveils its customized LA28 Games emblem, marking the start of its preparations for the LA28 Olympic and Paralympic Games. For the first time in Olympic and Paralympic history, a competition venue will carry the Allianz name. The Allianz Beach Arena in Long Beach, California, for the LA28 Olympic and Paralympic Games will become the newest member of the Allianz Family of Stadiums. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261026919959/en/ Allianz's "custom A" emblem for LA28. From Horse Guards Parade in London to Copacabana Beach in Rio and the Eiffel Tower in Paris, Olympic Beach Volleyball has always found its home in iconic settings around th
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