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
The Global Photonics Community Converges in San Francisco as More Than 23,000 Register for Photonics West 20263.2.2026 22:14:00 CET | Press release
The largest annual optics and photonics event highlighted the industry’s best and brightest during a week full of innovation, networking, and research sharing SPIE, the international society for optics and photonics, brought the global optics and photonics community to San Francisco, California, for another successful and enlivening Photonics West. With more than 23,000 registrants, the annual conference and exhibition connected attendees from 40 countries, showcasing the transnational and collaborative spirit of the interdisciplinary industry. The dynamic event ran from 17 to 22 January, with 4,200 technical presentations across 100 conferences, 4 stages of industry-focused panels and presentations, 49 courses, and approximately 1,600 exhibitors in the five expos: Photonics West, BiOS, Quantum West, AR | VR | MR, plus, in its inaugural year, Vision Tech. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260203925940/en/ Attend
Vena To Acquire Acterys, Creating a New Category of Enterprise Performance Management: Orchestrated Planning3.2.2026 17:00:00 CET | Press release
The acquisition unites finance foresight and IT innovation in the first Microsoft-native Orchestrated Planning environment, helping enterprises plan better and achieve more by turning strategy into aligned execution in real time. Vena, the only complete FP&A platform powered by agentic AI and purpose-built to amplify the Microsoft technology ecosystem, today announced it has entered into a definitive agreement to acquire Managility Pty Ltd, operating as Acterys (“Acterys”), the industry’s leading Power BI–based operational planning and app development platform, subject to customary closing conditions and regulatory approval. This acquisition unlocks a category-defining way for enterprises to combine planning, analytics, and application development within the Microsoft tools they already trust to run their business. By combining Vena’s Excel-native financial planning and analysis (FP&A) capabilities with Acterys’ proprietary Power BI write-back engine and unified analytics within Micros
Volante Technologies named a Leader in Gartner® Magic Quadrant™ for Banking Payment Hub Platforms3.2.2026 16:15:00 CET | Press release
Volante believes its solutions provide complete always-on payment processing support for banks and financial institutions across all tiers Volante Technologies, the global leader in Payments as a Service (PaaS), today announced its recognition as a Leader in the 2026 Gartner® Magic Quadrant™ for Banking Payment Hub Platforms, which evaluates vendors based on Ability to Execute and Completeness of Vision. In Volante’s view, Gartner positioned them as a Leader based on their capacity to support enterprise-scale payment processing in banks and financial institutions across multiple regions, deployment models, and operational environments. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260203149834/en/ This graphic was published by Gartner, Inc. as part of a larger research document and should be evaluated in the context of the entire document. As the highest positioned provider in Ability to Execute, Volante believes its AI-pow
Toptal Ranked #1 Most Reliable Professional Services Company in America by Newsweek3.2.2026 16:00:00 CET | Press release
Toptal, the world’s largest fully remote workforce, has been ranked the #1 most reliable professional services company in America on the America’s Most Reliable Companies 2026 list by Newsweek and Statista. The list ranks top US companies based on trust, dependability, and consistent performance in their industry. In Newsweek’s ranking of 300 companies across all industries, Toptal took 10th place, right behind Bank of America and Oracle, which tied for 9th. As the most reliable professional services organization in America, Toptal, which ranked 11th in absolute rankings across all companies, placed well ahead of companies like Accenture (33), Deloitte (39), and Cognizant (66). The America’s Most Reliable Companies 2026 ranking is based on an independent survey of more than 80,000 evaluations submitted by 2,400 business decision-makers at America’s largest companies, including Apple, Dropbox, Johnson & Johnson, and UPS, making this recognition an especially meaningful indicator of prod
HTEC Research Reveals the Real AI Scaling Challenge: It’s Not the Technology3.2.2026 15:46:00 CET | Press release
Global executive survey finds AI momentum is real—but leadership alignment, capability gaps, and ROI clarity are slowing enterprise impact AI has moved from ambition to action. Every organization is deploying it. Yet for most enterprises, the real challenge is only just beginning. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260203951136/en/ HTEC, a global AI‑first provider of software and hardware design and engineering services, released Executive Summary: A Cross‑Industry View of the State of AI in 2025, a global research report capturing how senior executives are navigating the next phase of AI transformation—and why scaling value remains elusive. Today, HTEC, a global AI‑first provider of software and hardware design and engineering services, released Executive Summary: A Cross‑Industry View of the State of AI in 2025, a global research report that captures how senior executives are navigating the next phase of AI tra
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