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
Phenom Adds Major Headline Speakers as IAMPHENOM Europe Approaches Sold-Out Status6.10.2026 15:30:00 CEST | Press release
Second wave of esteemed speakers to bring real-world guidance on applying AI, agents and automation to improve hiring, development and retention Phenom, the leader in applied AI built to redesign work operations for hiring faster, developing better and retaining longer, today announced the newest wave of speakers for IAMPHENOM Europe 2026, the only applied AI event dedicated to human resources taking place on 4-5 November in Paris, France. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261006714151/en/ Phenom announced the newest wave of speakers for IAMPHENOM Europe 2026, the only applied AI event dedicated to human resources taking place on 4-5 November in Paris, France. The two-day conference gives attendees what other HR events can’t: an inside look at AI agents already in production, automated workflows tailored to specific business contexts and the dramatic results they are already delivering. Across keynotes, customer
European Firms Struggle to Keep Pace with Growing DSAR Demands, New Reveal Study Finds6.10.2026 15:00:00 CEST | Press release
With 86% of organisations still lacking dedicated DSAR technology, fewer than half of requests are completed within the one-month window GDPR requires, even as spending climbs New research published today byReveal, the provider of integrated AI-native platforms spanning the dispute resolution lifecycle, found that large European organisations complete fewer than half of data subject access requests (DSARs) within the one-month deadline required under the General Data Protection Regulation (GDPR), a shortfall the study ties directly to a near-universal absence of purpose-built technology. Nearly nine in 10 organisations still run DSARs on manual or general-purpose workflows, with no dedicated tooling in place. The report, based on a survey of 213 legal and privacy professionals at large European enterprises, is the first of its kind to benchmark how organisations across the region are managing DSAR compliance at scale. The findings expose structural inconsistencies between how organisat
New Global Survey Finds Majority of VMware Users Are Choosing Alternative Paths for Cost Control, Roadmap Flexibility and Better Support6.10.2026 15:00:00 CEST | Press release
Rimini Street and DBTA/Unisphere Research survey finds 66% are already using or are considering third-party support Rimini Street, Inc. (Nasdaq: RMNI), the Software Support and Agentic AI ERP Company™ and the leading third-party support provider for Oracle, SAP and VMware software, today announced findings from the 2026 IT Virtualization Survey – What’s Next for VMware Users, a new global survey of nearly 300 VMware user organizations conducted by Unisphere Research on behalf of Rimini Street. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261006014490/en/ New Global Survey Finds Majority of VMware Users Are Choosing Alternative Paths for Cost Control, Roadmap Flexibility and Better Support Cost Cited as the Number One Factor in Seeking Alternative VMware Solutions Key Findings: 90% of respondents said they are considering alternatives to VMware due to higher licensing costs, while 54% cited the end of perpetual license supp
Xsolla Shows Brand Owners How to Create Value for Video Players at Brand Licensing Europe With Rewarded Marketing6.10.2026 15:00:00 CEST | Press release
Twenty-One Years of Game Commerce Comes to ExCeL London, October 6 to 8, With a New Way for Brands to Reward the Players They Have Been Trying to Reach for Years Xsolla, a global commerce company, today announced it will be at Brand Licensing Europe 2026 at ExCeL London, October 6 to 8, to show brand owners how to engage with video game players by creating quest-based programs and value new users actually value. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261006443167/en/ Graphic: Xsolla Video games are one of the largest categories of entertainment spending in the world, yet most brands still treat the category as an experiment: a one-off promotional stunt or a single media buy, not a lasting engagement program. The traditional formats brands default to were never built for players. Interstitial pop-ups disrupt gameplay, banner ads go unnoticed, and in-game activations remain cumbersome and expensive to execute. The idea
Rochester Electronics Launches Localized E-Commerce Experiences Across Key Global Markets6.10.2026 15:00:00 CEST | Press release
Europe and the Americas join Rochester's growing global e-commerce network Rochester Electronics today announced the launch of fully enabled e-commerce capabilities across its regional websites, allowing customers in key global markets to search for, source, and purchase authorized semiconductors in their local language. While Rochester's regional sites previously offered localized content and product information, they now support a complete end-to-end purchasing experience. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261006914131/en/ Rochester Electronics Launches Localized E-Commerce Experiences Across Key Global Markets The newly upgraded platforms are now live in Portuguese (Brazil), Spanish (Mexico), French, German, Italian, and Polish, complementing Rochester’s existing full e-commerce platforms in English, Chinese, Japanese, and Korean (South Korea). Customers can now complete transactions directly through their lo
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