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
STL Expands Its Optical Connectivity Portfolio in the US with the CONCAT Solution17.7.2026 14:24:00 CEST | Press release
STL Optical Connectivity NA, LLC, (STLOC), a U.S. subsidiary of STL (Sterlite Technologies Ltd.) [NSE: STLTECH], a leading connectivity solutions provider for AI-ready digital infrastructure, today announced that it launched its new advanced FTTH solution, CONCAT, after successfully completing field trials on the networks of one of the largest telecom service providers in the United States. Following successful field validation, CONCAT is now available to digital infrastructure providers seeking faster fiber rollouts with reduced deployment complexity and labor. It enables up to 71% in labor cost savings by eliminating most field splicing through factory-assembled, pre-connectorized fiber segments that deliver plug-and-play installation. CONCAT simplifies fiber deployment by shifting critical fiber preparation and termination into a controlled manufacturing environment ensuring consistent quality, faster installation, and lower operational risk in the field. CONCAT solution is ideal fo
Aqemia and Sanofi Expand Their Research Collaboration17.7.2026 12:30:00 CEST | Press release
A new target nomination and a milestone payment mark the next step of the multi-year partnership first announced in December 2023 Aqemia, the drug invention company combining generative AI and quantum-inspired physics to invent small molecule drugs, today announced the expansion of its multi-year research collaboration with the global pharmaceutical company, Sanofi. The expansion is marked by the nomination of a new therapeutic target and an additional payment. The collaboration, first announced in December 2023, makes Aqemia eligible to receive up to a total of $140 million in upfront and milestone payments across programs. It spans the drug discovery journey from the identification of the very first hits to the selection of a development candidate. Aqemia leverages Qemi, its proprietary physics-based generative AI platform, to design novel molecules addressing Sanofi’s targets of choice, working in close collaboration with Sanofi scientific teams. Sanofi leads wet lab research, devel
China's ~$900B Live-Commerce Market Now Approaches US E-Commerce Scale17.7.2026 12:30:00 CEST | Press release
The consumer habits reshaping global retail were built in the East — and most Western shoppers haven't yet adopted them. NIQ report shows that brands still treating live, social, and quick commerce as "emerging" risk being left behind. The center of gravity in global retail has shifted East. The formats now driving the fastest growth in global retail (live shopping, social commerce, and delivery in minutes) were pioneered and scaled in Asia, and most Western consumers have yet to adopt them. According to NIQ (NYSE: NIQ), a leading consumer intelligence company, in its global report The Commerce Revolution: Where East Meets West, the gap between East and West is still vast. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260717253489/en/ China´s USD 900bn live shopping boom now approaches the scale of the US E-commerce The scale is already substantial. China's live-commerce market alone was worth roughly $900 billion in 2025,
Ant International’s Alipay+ Connects Argentina's National QR Payment Scheme via PVS,Enabling for Cross-Border Digital Payment Nationwide at Millions of Merchants17.7.2026 12:17:00 CEST | Press release
Alipay+, a global digital payment gateway under Ant International, today announced that it will enable global travellers to make QR code payments at millions of merchants across Argentina through integration with the country's national QR payment scheme Transferencias 3.0, in partnership with PVS, a fintech company specialized in developing customized payment solutions in Latin America. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260717276406/en/ By connecting to Argentina's national QR payment scheme, Alipay+ now enables global travellers in the country to make convenient QR code payments at merchants nationwide. This service helps to enhance global travellers' travel experiences in Argentina, allowing them to pay seamlessly at restaurants, malls and tourist attractions. Using an Alipay+ partner payment app, they can now scan the national QR code displayed at all merchants to make cross-border payments across Argentina,
KATE Launches "KABUKE: Break Convention" Kabuki-Inspired International Campaign17.7.2026 09:00:00 CEST | Press release
Where “NO MORE RULES.” intersects with the Kabuku spirit. Inspired by Japanese aesthetics, KATE shares the value of shadow enhancing makeup and self‑expression with the world. Global cosmetics brand KATE launched “KABUKE: Break Convention,” a new international campaign drawing on elements of Kabuki, the traditional Japanese performing art. The campaign debuted on Wednesday, July 8, 2026. In this campaign, KATE’s shadow enhancing makeup—rooted in Japanese aesthetics—was paired with the Kabuki spirit inherited from traditional Kabuki theater to communicate the value of individuality and self‑expression through makeup on a global scale. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260708829427/en/ KATE international campaign “KABUKE: Break Convention” key visual. Dedicated website: https://www.kate-global.net/my/special/kate_kabuki/ Since its founding, KATE has championed the slogan “NO MORE RULES.,” offering makeup that defi
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