This ultra-compact module, measuring just 3.25×8.55×1.00mm, is designed to accelerate the development of next-generation IoT devices, wearables and healthcare products that require minimal space and maximum efficiency. With built-in antenna and certifications already in place, developers can reduce time-to-market and cut certification costs significantly.
The ES4L15BA1 also supports Bluetooth 6.0 and all its features, like channel sounding for accurate distance measurement, making it ideal for applications requiring precise proximity information, such as secure device unlocking.
With support for PSA certification, it’s easier than ever to build IoT devices that meet the latest security standards.
Mass production kicks off in September 2025 and we’re excited to continue innovating and expanding our product lineup to meet your needs.
Key Highlights:
📡 World’s smallest form factor: 3.25×8.55×1.00mm
📡 High-performance processing: Arm Cortex-M33 & RISC-V coprocessor
📡 Pre-certified: Bluetooth, MIC (Japan), FCC (USA), ISED (Canada)
Product Availability Sample: February 2025
Let’s build the future of IoT together!
