问题：什么是Friend节点和Low Power节点？
答案：
根据相关资料，为您解答：
**来源：** Bluetooth Low Energy Certified SoCs and Modules - Silicon Labs
Bluetooth Low Energy Certified SoCs and Modules - Silicon Labs // Wireless Connectivity // Bluetooth Bluetooth® and Bluetooth LE Solutions for a Wide Range of Applications Robust, Low-Power Bluetooth Solutions from the Global Leader in IoT Next-Gen Wireless SoC for Advanced LED Lighting and Home Automation The SiBG301 is optimized for LED Lighting and mains powered mesh networks, while providing high-performance compute and our most secure wireless platform. More Information Next-Gen Wireless SoC for Advanced LED Lighting and Home Automation The SiBG301 SoC family belongs to our next generation Series 3 platform that further extends our leadership in ultra-low power IoT SoCs and modules. Series 3 brings new levels of compute, security, RF performance, and power efficiency that are necessar
*（详见：https://www.silabs.com/wireless/bluetooth）*
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**来源：** Developing with Silicon Labs Bluetooth Low Energy (LE) | Developing with Bluetooth | Bluetooth LE | latest | Silicon Labs
Developing with Silicon Labs Bluetooth Low Energy (LE) | Developing with Bluetooth | Bluetooth LE | latest | Silicon Labs Developer Documentation Home Training Community Support Github Login Register // Software Documentation // Bluetooth LE // Version 11.0.2 (latest) // Developing with Bluetooth You are viewing documentation for version: 11.0.2 (latest) PDF Edit Developing with Silicon Labs Bluetooth Low Energy (LE) # Bluetooth is a wireless technology standard managed by the Bluetooth Special Interest Group (SIG). Designed for data transfer and exchange over short distances, Bluetooth makes use of the unlicensed ISM band at 2.4 GHz. Traditional Bluetooth technology is optimized for sending a steady stream of high quality data in a power-efficient way. Bluetooth low energy technology allo
*（详见：https://docs.silabs.com/bluetooth/latest/）*
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