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
Individual AI Productivity Soars but Organizational Impact Stalls3.11.2026 15:00:00 CET | Press release
Company-wide gains blocked by tool fragmentation and governance gaps; while workers continue to feel the strain of single-player AI and negative impact on wellbeing Miro®, the collaboration and context layer for the AI era, today released research exploring how AI is changing individual productivity and team performance. The survey of over 9,500 leaders and workers finds that while 83% of people believe that AI has improved their individual productivity at work, only 56% say that the quality of output has improved as a result of AI deployment. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103271772/en/ Knowledge workers are individually more capable than ever with the majority now well beyond the ‘foundational stage’ of AI understanding and deployment - according to the Miro report‘The State of Intelligent Collaboration’. But enterprise fragmentation caused by operational silos, misalignment, and AI governance challenges
CoStar Group Opens Nominations for Its Sixth Annual CoStar Impact Awards3.11.2026 15:00:00 CET | Press release
The CoStar Impact Awards Celebrate Influential Commercial Property Projects and Transactions Across 129 Markets in the United Kingdom, the United States and Canada CoStar Group (NASDAQ: CSGP), a leading provider of online real estate marketplaces, information, analytics and digital twins in the property markets, has opened nominations for the sixth annual CoStar Impact Awards. The CoStar Impact Awards celebrate commercial property projects and transactions that have made a significant impact in neighbourhoods or submarkets across 129 major international markets in the United Kingdom, the United States and Canada. The awards will recognize outstanding projects and transactions completed in 2026, as selected by a panel of sector professionals representing each respective market. Judges panels comprised of commercial property industry professionals will select winners from each market in the United Kingdom based on the following categories: Lease of the Year, Commercial Development of the
“Moutai Night” Makes Seoul Debut, Celebrating China–South Korea Cultural Exchange3.11.2026 14:17:00 CET | Press release
On October 25, the 2026 “Moutai Night” was held in Seoul, South Korea, under the theme “Born by the Chishui River, Fragrance Along the Han River.” Over a hundred guests from China and South Korea gathered around the Han River, sharing the distinctive appeal of Chinese baijiu, and fostering cultural exchange between the two countries through fine liquor and culture. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103333206/en/ “Moutai Night” Makes Seoul Debut, Celebrating China–South Korea Cultural Exchange The event featured an exhibition on Moutai’s brewing techniques and brand history. Hands-on experiences with Miao batik and silverwork showcased Guizhou culture, while creative cocktails brought Chinese spirits into dialogue with Korean tastes. A city-themed video, dance performances and a violin performance rounded out the program, as guests exchanged views on liquor culture in a warm atmosphere. As a flagship cultural
TVS Motor Company Strengthens Its European Presence With Four Production-Ready Models at EICMA 20263.11.2026 14:14:00 CET | Press release
TVS Motor expands its European presence through dedicated engineering facilities, a strengthened retail network and products developed for local customer needs Four production-ready models broaden the company's offering across electric mobility, premium urban transportation and lightweight sports motorcycling Global manufacturing scale, technology expertise and international engineering capabilities provide the foundation for TVS Motor's long-term success in Europe TVS Motor Company, the world's third-largest two-wheeler manufacturer, today unveiled four production-ready models at EICMA 2026 in Milan, reinforcing its commitment to Europe as a strategic market. The showcase highlights products developed for European customers, supported by dedicated engineering capabilities, an expanding retail network, and the strengths of TVS Motor's global manufacturing, technology and product development ecosystem. This press release features multimedia. View the full release here: https://www.busin
Teamily AI Reports 32× Quarterly User Growth, Positive Gross Margins, and Strong Global Adoption of Human–Agent Collaboration3.11.2026 14:00:00 CET | Press release
The AI-native collaboration platform reaches 320,000 users across 100+ countries, validates product-led growth and monetization, and prepares to expand its global AI agent ecosystem. Teamily AI, a human–agent collaboration platform that enables people and AI agents to work together in a unified, context-aware workspace, today announced significant growth and commercial milestones following a quarter of rapid global expansion. The company grew from 10,000 to 320,000 sign-ups in a single quarter, a 32× increase that works out to a compound monthly growth rate of 217.5%, just three months after its public launch in July 2026. With positive gross margins on paying users, and growing adoption among professional teams and businesses, Teamily AI establishes a foundation for scalable product-led growth (PLG). This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103047955/en/ 32× Global Growth in One Quarter Teamily AI grew from 10,000
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