This product is Bluetooth Low Energy (BLE) module using Nordic NRF52840 SoC solution. The nRF52840 is designed around an ARM Cortex-M4 CPU with floating Point unit (FPU) and has 1MB flash with cache and 256kB RAM. As such it has the ability to support complex and demanding applications as a single chip solution. It offers a wealth of peripherals that include NFC, USB and multiple interface options including Quad SPI (QSPI). Security is paramount in today's IoT designs and the nRF52840 has high-end security features included to achieve best in class security with an ARM Cryptocell-310 cryptographic system on chip and a full AES 128-bit encryption suite.