“The Realtek RTL8720CM is a highly integrated single-chip with a low-power-consumption mechanism ideal for IoT (Internet of Things) applications. It combines a Real-M300 CPU (up to 100MHz), Wi-Fi, Bluetooth, Wireless MAC/Baseband/RF, and configurable GPIOs that can function as digital peripherals for various product applications and control usage. The RTL8720CM’s embedded memory configuration enables simpler and faster application development.

Complete IoT solution (low-level development, cloud services, APP)

Support AT + application set secondary development

Support OTA wireless upgrade

Support Bluetooth smart networking,

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Features:​

• Arm®v8M KM4 MCU

• 802.11 b/g/n 1x1, 2.4GHz + Bluetooth 4.2

• Wi-Fi simple config

• 256 KB internal SRAM on SoC and 4MB external flash on Dev. Board

• Compact size with (L) 25 x (W) 17 x (H) 2.9 mm.”