<p>➀ The article discusses a radar sensor reference design that uses Infineon's BGT60LTR11AIP 60GHz radar sensor and an XMC1302 microcontroller with an Arm Cortex-M0.</p><p>➁ The design supports SPI mode, which allows for flexible adjustment of radar settings such as detection threshold, hold time, and operating frequency.</p><p>➂ The reference board can be used for rapid prototyping and system integration in various applications like laptops, tablets, TVs, and speakers.</p>