: Powered by an Arm Cortex-M0+ CPU, providing a balance of energy efficiency and performance for portable embedded systems.
PCB F-antenna with an optional SMA connector for external test equipment FRDM-KW40Z Freescale Freedom Development Board
: The kit often includes two boards to allow developers to test point-to-point wireless connectivity immediately. FRDM-KW40Z Product Information - NXP Semiconductors : Powered by an Arm Cortex-M0+ CPU, providing
: Form-factor compatible with the Arduino Rev3 pin layout, allowing for easy integration with a wide variety of third-party expansion boards (shields). Technical Specifications Memory 160 KB Flash, 20 KB SRAM Antenna 20 KB SRAM Antenna Push buttons
Push buttons, capacitive touch buttons, and multiple LEDs for status indication
: Specifically integrates BLE and 802.15.4 stacks.