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
iQmetrix to Showcase Intelligent Commerce Operating System and Catalyst Innovation at DTW Ignite 20266.5.2026 19:20:00 CEST | Press release
Bronze sponsor debut includes Catalyst project innovation, live platform demo, and a unified AI‑native commerce vision iQmetrix, the Intelligent Commerce Operating System for telecom, announced today it will exhibit, speak, and compete as a bronze sponsor at DTW Ignite 2026 in Copenhagen from June 23–25. The company will deliver a live product demo in The Loft, showcase its ODA PRISM Catalyst project alongside a consortium of global operators and technology partners, and exhibit at Booth #317 throughout the event. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260506948390/en/ The debut marks a milestone in iQmetrix’s global growth strategy and deepens its partnership with TM Forum, following its recent recognition as an ODA Component Directory Partner. The Future of Commerce Is Won at the Orchestration Layer DTW Ignite 2026’s theme, “The Future. Faster.,” captures the urgency facing communications service providers worldwid
Go Beyond the Guidebook: Why Ireland Rewards Those Who Slow Down6.5.2026 18:15:00 CEST | Press release
In a world where travel often feels rushed and driven by checklists, Ireland stands apart. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260501313521/en/ Lusty Beg Island Kesh, Co. Fermanagh The destination offers something deeper, drawing visitors beyond the expected toward richer encounters with its landscapes, culture and communities. As a compact island, Ireland gives holiday makers the chance to take in much of the destination while still travelling at a relaxed, unhurried pace. It’s a chance to slow down, not to do less, but to feel more - more calm, more connection, and more of what makes travel meaningful. This approach to travel is matched by Ireland’s natural warmth and welcome, helping visitors feel at home from the moment they arrive. Take the scenic route From the rugged coastline of the Wild Atlantic Way, one of the world’s longest coastal routes, to the rolling landscapes of Ireland’s Hidden Heartlands, Irela
TACTICA AI Introduces Region’s First AI Platform for Mission-Critical, Real-Time Operational Decisions6.5.2026 17:18:00 CEST | Press release
Built on deep tech developed by TII, TACTICA AI moves beyond dashboards to help decision-makers turn fragmented intelligence, sensor, and operational data into action Showcased during Make it in the Emirates 2026, the platform has already been validated through real-world deployments in mission-critical environments Built in Abu Dhabi, connected globally, TACTICA AI integrates partnerships with French-based Safran and Polish-based Satim TACTICA AI, an Abu Dhabi-based start-up, today introduced its multi-domain decision-support platform to a wider market during Make it in the Emirates 2026. At a time of increasing operational complexity and pressure to make faster, better-informed decisions, the platform is designed to transform fragmented intelligence, sensor, and operational data into real-time decisions. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260506006177/en/ TACTICA AI Introduces Region’s First AI Platform for Mis
FlightSafety International Receives FAA Approval for Virtual Aircraft Preflight Inspection with Evaluation Mode6.5.2026 16:05:00 CEST | Press release
Three aircraft programs approved, with three more expected to receive approval in 2026 FlightSafety International Inc., the global leader in aviation training and simulation technology, today announced it has received Federal Aviation Administration (FAA) approval for Virtual Aircraft Preflight Inspection (VAPI) with Evaluation Mode for three aircraft training programs: the Embraer EMB-550, Gulfstream G500/G600, and Citation Latitude. This innovative capability allows pilots in initial training to complete a 3D virtual aircraft preflight inspection while in Training Mode, with the added ability to transition directly into the flight deck, followed by Evaluation Mode, that allows pilots to do their preflight check ride portion. “VAPI represents a meaningful advancement in training innovation,” said David Penney, VP of Safety, Courseware and Regulatory Affairs, FlightSafety International. “By leveraging an immersive 3D environment, it offers pilots a more engaging and practical way to de
Riskified Unveils Next-Generation AI Suite at Ascend 2026, Empowering Merchants with Unprecedented Visibility and Control Over Ecommerce Risk6.5.2026 15:00:00 CEST | Press release
New capabilities include Riskified ARIA the AI Risk Analyst, Identity Explore 2.0, and an enhanced Decision Studio, giving merchants the power to see, understand, and act on network risk intelligence like never before Riskified (NYSE: RSKD), a global leader in ecommerce fraud and risk intelligence, today announced a major leap forward in its AI platform capabilities, introducing a powerful suite of control and empowerment tools designed to give merchant fraud teams complete visibility into risk patterns and identity behavior, conversational AI-driven insights, and the ability to surgically tailor their risk strategies. The innovation suite was announced onstage at Ascend 2026, Riskified’s premier global summit series, taking place May 4-6, 2026, at the Conrad New York Downtown in Manhattan, NY. With global ecommerce continuing to expand and losses from AI-driven fraud attacks projected to spike, particularly with the rise of agentic commerce, where AI bots may conduct transactions on b
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