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
Faire Marks Five Years of Growth Outside North America: Over 100,000 Retailers, 50,000 Brands, and More Than One in Four Brands Now Selling Across Borders11.6.2026 11:05:00 CEST | Press release
Faire, the leading wholesale platform in North America and Europe, is expanding access to global wholesale, giving independent retailers globally more choice, better tools, and reducing barriers to growth. Five years after launching outside North America, Faire’s community of more than 100,000 retailers and 50,000 brands across 30+ countries in Europe, Australia, and New Zealand shows a retail sector that is innovating and thriving, well beyond the big cities. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260611115823/en/ Faire Celebrates 5 Years of Growth in Europe "It has been a phenomenal five years for Faire internationally, and the opportunity ahead has never been clearer,” said Olivier Buffon, VP and Head of International at Faire. “Europe represents a retail market comparable in scale to North America, and the challenges Faire was built to solve exist wherever independent retail exists. A global platform is more valu
Stallergenes Greer Will Present New Evidence on Long-term Outcomes in Allergen Immunotherapy at EAACI 202611.6.2026 10:09:00 CEST | Press release
Stallergenes Greer, a global leader in allergy care, will present new clinical evidence and scientific advances in allergen immunotherapy (AIT) at the European Academy of Allergy and Clinical Immunology (EAACI) congress, taking place from June 12 to 15 in Istanbul, Turkey. The company will host a scientific symposium entitled “From Nobel Prize discovery to AIT clinical evidence: Shaping pathways to respiratory allergy remission.”Three leading international experts will explore how landmark breakthroughs in immunology have deepened our understanding of immune tolerance, presenting emerging data on remission and long-term outcomes in respiratory allergy. Together, these insights reinforce AIT’s disease-modifying potential and its growing role in personalised medicine. “EAACI 2026 is an exceptional forum for the global allergy community to exchange knowledge and advance the field. Stallergenes Greer is proud contribute to these conversations, bringing together world-leading experts in pur
NIPPON KINZOKU’s “FINE PIPE” Series Welded Drawn Pipes Outperforming Seamless Pipes11.6.2026 10:01:00 CEST | Press release
Featuring “High-Precision Inner Surface” Small-Diameter tubes and “FINE PEEK-ST” stainless steel and PEEK resin composite tubes NIPPON KINZOKU CO., LTD. (TOKYO:5491) (Headquarters: Minato-ku, Tokyo) has commercialized its “FINE PIPE” series *1, -welded drawn pipes that outperform traditional seamless pipes. By leveraging its unique expertise as a material manufacturer and proprietary processing technologies (welding, drawing, and annealing), the company delivers high-quality, eco-friendly, and cost-effective solutions. FINE PIPE is already widely adopted across various sectors, including automotive parts, measuring instruments, and industrial equipment, to meet the most demanding precision requirements. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260611874307/en/ In response to the growing demand for higher performance and faster processing in analytical and medical devices, NIPPON KINZOKU has developed two innovative pro
Comrade Trustee Services goes live with Smartstream’s Air, the AI reconciliation and data automation solution11.6.2026 09:55:00 CEST | Press release
Key Facts Comrade Trustee Services is live on Smartstream’s Air for automated reconciliations with fully integrated workflows. The implementation replaces highly manual, spreadsheet-driven processes and complex file handling with a single-click, straight-through AI-driven workflow. This will improve accuracy, control and operational efficiency. Processing time has been reduced from up to eight hours to under five minutes, with additional scalability for complex file types, formats and reconciliation logic. Smartstream, the trusted data solutions provider for leading global financial institutions and enterprises, today announces that Comrade Trustee Services Limited (CTSL), trustee for the Defence Force Retirement Benefit Fund in Papua New Guinea, has gone live with Smartstream’s Air, the AI reconciliation and data automation solution – cutting processing times from eight hours to under five minutes. The go-live delivers a fully automated, straight-through reconciliation workflow, enabl
Wolters Kluwer enhances its Libra legal AI workspace in Italy by adding content specializations for One and integrating with Kleos11.6.2026 09:00:00 CEST | Press release
Libra by Wolters Kluwer integrates AI with authoritative, expert-generated content and operational workflows, supporting legal professionals across the entire workflow Wolters Kluwer Legal & Regulatory announced today new content and feature integrations in its legal AI workspace Libra by Wolters Kluwer for the Italian market. Customers will have access to additional expert-generated content in compliance, criminal law and tax law, and profit from the integration with Kleos, the cloud-based practice management solution for law firms. Designed to support the daily work of legal professionals, Libra by Wolters Kluwer combines advanced AI functionalities with trusted sources and authoritative, author-generated legal content. Within a single environment, it enables research, analysis and drafting activities based on reliable sources, while maintaining full control over results and quality. By integrating additional expert content from One, Wolters Kluwer’s leading legal research platform,
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