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
Sultan bin Ahmed Visits Shanghai Film Studios, Film Park and Stadium15.2.2026 20:24:00 CET | Press release
His Highness Sheikh Sultan bin Ahmed bin Sultan Al Qasimi, Deputy Ruler of Sharjah and Chairman of the Sharjah Media Council, visited the 800,000-square-metre Shanghai Film Studios and Film Park in the town of Shidon in the Chinese city of Shanghai on Saturday. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260215440594/en/ Sultan bin Ahmed visits Shanghai Film Studios, Film Park and Stadium (Photo: AETOSWire) His Highness watched a video outlining the specifications of the Shanghai studios, which comprise 4 professional studios ranging in size from 800 to 3000 square metres, a large costume warehouse, production support facilities, classic cars, and an integrated set of production services. His Highness was briefed on the work produced using artificial intelligence technologies. He toured the sound recording rooms, image quality control, editing and post-production facilities, and listened to an explanation on the developme
Estithmar Holding Establishes “Estithmar Capital” for Financial Investment Management15.2.2026 18:45:00 CET | Press release
Estithmar Holding Q.P.S.C. announced today the establishment of its fifth group, “Estithmar Capital,” in a strategic step aimed at strengthening the company’s expansion and diversifying the sectors in which it operates. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260215458570/en/ Estithmar Holding Establishes “Estithmar Capital” for Financial Investment Management (Photo: AETOSWire) Estithmar Capital will specialize in managing financial investments, strengthening institutional governance, and operating under clear frameworks for compliance, regulation, and risk management, reflecting Estithmar Holding’s vision for sustainability and responsible, well-structured growth. The establishment of Estithmar Capital supports Estithmar Holding’s broader strategy of diversifying financial assets, improving capital efficiency, and unifying governance practices across various markets. Through a centralized and disciplined approach, t
Align Partners Issues Third Public Shareholder Letter and Submits Formal Shareholder Proposals to Coway14.2.2026 12:31:00 CET | Press release
Align Partners highlights Coway’s persistent undervaluation despite steady global growth, citing structural ROE decline as a key driver Align Partners urges the Board to address inefficient capital structure and strengthen shareholder return discipline; requests a formal response by March 13, 2026 The proposals call for stronger Board independence, enhanced Audit Committee oversight, and improved compensation transparency Align Partners Capital Management Inc. (“Align Partners”), a shareholder of Coway Co., Ltd. (“Coway” or the “Company”), has submitted formal shareholder proposals for the Company’s upcoming 37th Annual General Meeting (“AGM”) and issued its third public shareholder letter to Coway’s Board of Directors. Coway is South Korea’s leading home appliance rental platform, supported by a strong global brand and sales network. Since Netmarble became the largest shareholder in 2020, Coway has delivered steady operating growth, with revenue and operating profit increasing at comp
HM King Mohammed VI Presides Over the Launch Ceremony of the Aircraft Landing Gear Production Plant Project, Representing an Investment of €280 million by the Safran Group in Morocco13.2.2026 21:10:00 CET | Press release
His Majesty King Mohammed VI, may God assist Him, accompanied by HRH Crown Prince Moulay El Hassan, chaired on Friday at the Royal Palace in Casablanca the presentation and launch ceremony of the project to build a landing gear production factory for Safran in Nouaceur, a project that reinforces Morocco as a destination of choice and a true integrated industrial actor at the heart of the global economy. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260213269786/en/ His Majesty King Mohammed VI, accompanied by HRH Crown Prince Moulay El Hassan, chaired on Friday at the Royal Palace in Casablanca the presentation and launch ceremony of the project to build a landing gear production factory for Safran in Nouaceur Considered one of the largest manufacturing centres in the world for Safran Landing Systems, the plant will represent an investment of more than EUR 280 million, create 500 jobs, and operate on 100% decarbonised energ
Sultan bin Ahmed visits Huawei R&D Centre and SMG in China13.2.2026 18:52:00 CET | Press release
His Highness Sheikh Sultan bin Ahmed bin Sultan Al Qasimi, Deputy Ruler of Sharjah and Chairman of the Sharjah Media Council, visited the Huawei Research and Development Centre and Shanghai Media Group (SMG) in Shanghai, People’s Republic of China. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260213682693/en/ Sultan bin Ahmed visits Huawei R&D Centre and SMG in China (Photo: AETOSWire) His Highness toured Huawei Village, which spans 2.2 million square metres and comprises over 100 buildings and laboratories, employing more than 30,000 staff. He observed the master plan of the village and its key facilities that support the company’s business strategy and product development. He also reviewed the specifications of the buildings, constructed to the highest standards, and the diverse services provided to employees, including restaurants, cafes, entertainment venues, and rest areas. The center also offers easy access via train
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