High Performance MCU
RAK4631 is based on the Nordic nRF52840 and the Semtech SX1262 LoRa® transceiver.
![32-bit ARM<sup>®</sup></sup> Cortex<sup>™</sup></sup> -M4 CPU](/resources/misc/ops/wisblock-core/core-icon.png?fm=pjpg&q=70&h=80&s=a62c2d837abdc26f4349381ddecbd983)
32-bit ARM® Cortex™ -M4 CPU
![64MHz CPU clock speed](/resources/misc/ops/wisblock-core/speed-icon.png?fm=pjpg&q=70&h=80&s=9fbf544e1fe24e46ad31d033133128b7)
64MHz CPU clock speed
![1MB Flash, 256 KB RAM](/resources/misc/ops/wisblock-core/ram-icon.png?fm=pjpg&q=70&h=80&w=100&s=d1e3e306af7a21d0057d802935570328)
1MB Flash, 256 KB RAM
![WisBlock Connecting](/resources/misc/ops/wisblock-core/wisblock-coin.png?fm=pjpg&q=70&w=1000&s=54172dbe3297362a3e2df0dd85053d6f)
Low Power Consumption
RAK4631 is designed for high performance and low power consumption.