Bluetooth® Version: 5.0 (support: 2M / 1M / 500k / 125kbps) Frequency: 2402 to 2480 MHz Output power: +8dBm Max. Single power supply: 1.7 - 5.5V Single Mode Bluetooth® low energy / 802.15.4 radio support Integrated System/Sleep Clock Integrated high performance pattern antenna ARM® Cortex M4F 32bit processor and 1MB flash and 256KB RAM ARM® TrustZone® Cryptocell 310 cryptographic accelerator Outline: 10.0 x 15.4 x 2.0 mm Interface: USB, SPI, UART, I2C, I2S, PDM and 12bit ADC Complete Lead Free Applications Advanced wearables Connected watches Advanced personal fitness devices Wearables with wireless payment Connected health Virtual/Augmented reality applications Internet of Things -Smart home sensors and controllers Industrial IoT sensors and controllers Interactive entertainment devices