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
SLB Announces Date for Second-Quarter 2026 Results Conference Call26.5.2026 19:00:00 CEST | Press release
SLB (NYSE: SLB) will hold a conference call on July 24, 2026, to discuss the results for the second quarter ending June 30, 2026. The conference call is scheduled to begin at 9:30 a.m. U.S. Eastern time and a press release regarding the results will be issued at 7:00 a.m. U.S. Eastern time. To access the conference call, listeners should contact the Conference Call Operator at +1 (800) 715-9871 within North America or +1 (646) 307-1963 outside of North America approximately 10 minutes prior to the start of the call and the access code is 3440360. A webcast of the conference call will be broadcast simultaneously at https://events.q4inc.com/attendee/157027565 on a listen-only basis. Listeners should log in 15 minutes prior to the start of the call to test their browsers and register for the webcast. Following the end of the conference call, a replay will be available at www.slb.com/irwebcast until July 31, 2026, and can be accessed by dialing +1 (800) 770-2030 within North America or +1
Alipay Launches Next-Generation AI Payment Infrastructure, Debuts AI Wallet and Token Pay to Power Agentic Economy26.5.2026 17:20:00 CEST | Press release
Alipay today introduced its full-stack AI payment solution to partners across industries, ranging from AI companies to traditional retailers, and debuted two new services — the world’s first AI Wallet and Token Pay — to support the agentic economy’s rapid growth. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260526337824/en/ Alipay Unveils Next-generation AI Payment Infrastructure This launch extends Alipay's next-generation AI payment infrastructure, building on its consumer-facing product Alipay AI Pay and its business-facing AI payment processing product. “While the essence of commerce remains unchanged in the age of AI, the emergence of AI agents is reshaping everything. Drawing on 22 years of technological expertise and commercial know-how, Alipay is building a new generation of AI payment services to accelerate the growth of the agentic commerce ecosystem,” said Cyril Han, CEO of Ant Group. AI Wallet: Giving Users Vis
Daiichi Sankyo Europe Reaffirms Commitment to Patient-Centred Care with Extensive Data Showcase at EAS Congress 202626.5.2026 17:00:00 CEST | Press release
Presentations at the 94th European Atherosclerosis Society (EAS) Congress highlight the breadth of evidence for bempedoic acid across a wide range of patient subgroups and background therapies. Real-world data from the MILOS study across multiple European cohorts demonstrate consistent effectiveness and safety profile in routine clinical practice.1,2,3,4 Analysis from the CLEAR Outcomes trial underscores the impact of bempedoic acid on cardiovascular risks, including stroke and venous thromboembolism (VTE).5,6 Daiichi Sankyo Europe’s commitment to "care for every heartbeat" is centred on providing accessible oral treatment options to ensure every patient is given a chance to reach their LDL-C goals. Daiichi Sankyo Europe (DSE) is pleased to announce its extensive scientific presence at the European Atherosclerosis Society (EAS) Congress 2026. The presentation of 15 abstracts, comprising both clinical trial analyses and real-world evidence, underscores the company's sustained investment
OpenRouter Raises $113 Million CapitalG-led Series B as Weekly Volume Explodes to 25T Tokens26.5.2026 15:15:00 CEST | Press release
NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures join CapitalG, a16z, Menlo Ventures, and others in backing the high-growth AI infrastructure startup OpenRouter, the AI model exchange, today announced a $113 million Series B led by Alphabet’s independent growth fund, CapitalG, with participation from investors including NVentures (NVIDIA’s venture capital arm), ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, alongside existing investors including Andreessen Horowitz and Menlo Ventures. OpenRouter’s volume has surged to 25 trillion tokens per week (100 trillion tokens per month), representing a 5X increase from the 5 trillion tokens processed per week just six months ago. The explosion in token demand illustrates how quickly enterprises are deploying agents and scaling AI across multiple models and providers. OpenRouter’s infrastructure manages and optimizes inference and provides access to 400+ models across leadi
Xsolla Expands Its Community Management Tools for Creators, Community Leaders, and Resellers26.5.2026 15:00:00 CEST | Press release
Xsolla Adds New Features For Creators, Community Leader Experience, And Distinct Channels For Emerging Markets Xsolla, a leading global video game commerce company, today announced three simultaneous expansions of its community management tools and products. As the creator economy continues to reshape how games are discovered and the industry accelerates its shift toward direct-to-consumer commerce, Xsolla is building on its community management tools for creators, community leaders, and emerging markets, and will showcase them at TwitchCon Rotterdam later this month. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260526596720/en/ Graphic: Xsolla The games industry has never had a shortage of people who drive player acquisition, loyalty, and commerce; it's had a shortage of infrastructure that recognizes them. Creators stream it. Community leaders build a culture around it. Local resellers get it into the hands of players in
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