Stand-alone Bluetooth 4.2 module with open CPU (EOL)

Bluetooth Low Energy v4.2 and Thread (802.15.4) solution

• Based on Kinetis KW41Z from NXP, allowing you to run your own code (open CPU)
• 48MHz Arm® Cortex®-M0
• 128kB RAM and 512kB flash memory
• 16‑bit high‑precision analog‑to‑digital converter
• 12‑bit digital‑to‑analog converter

u-blox has announced that the R41Z has been made End-of-Life due to portfolio consolidation.

• Last Time Buy (NCNR): Before 30 November 2025
• Last Ship Date: Before 30 May 2026