Short distance wireless module provider KAGA FEI (previously Fujitsu Electronics America) is expanding its Bluetooth Low Energy (BLE) module line up, with the introduction of two new modules, the EC4L10BA1 and EC4L05BA1. Both offer a range of memory capacities and work alongside their predecessor, the current EC4L15BA1 module. Like the existing hardware, this latest releases supports Bluetooth 6 and both have built-in antennas, for consistent performances.
The on-board chipset in the new modules has achieved a PSA 1 certification, a security certification framework developed by the IoT industry that helps ensure safe and trusted operation in connected devices. By meeting the security standards, these latest modules are deemed suitable for building secure IoT device fleets.
Memory options include the EC4L15BA1’s 1.5MB NVM/256KB RAM, the EC4L10BA1’s 1.0MB NVM/192KB RAM, and the EC4L05BA1, with 0.5MB NVM/96KB RAM. The modules are designed to meet the requirements of various applications from healthcare to industrial IoT.
The module units are certified at PSA Level 3, the highest level for IoT security, and are officially qualified by Bluetooth SIG for Bluetooth 6.
Security flaws in Bluetooth modules and protocols are becoming an increasingly popular cyberattack vector as IIoT devices become increasingly connected to TCP/IP networks. Compromise by Bluetooth can be the first point of entry that allows sideways movement of malware and cyber attack payloads. Four flaws in OpenSynergy’s BlueSDK were announced in July this year, a security advisory remains extant for the Realtek RTL8762E, and even the ever-popular ESP32 is subject to possible intrusion.
The new KAGA modules support Bluetooth Low Energy, Matter Standard, and Thread, and are capable of communicating via at 4Mbps. The modules also support Channel Sounding, which is used to measure the physical distance between devices accurately.
The built-in antenna on both modules has been pre-certified by the USA’s FCC, Japan’s Radio Law MIC, and Canada’s ISED, making the units simple to fit into existing devices. KAGA FEI is releasing its first samples of the modules in October 2025, and mass production should begin in January 2026.
(Image source: “just your average backyard low energy anti-proton accelerator” by Tom Purves is licensed under CC BY 2.0.)
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