Без заголовка

не будет проблем - "однокристальный радиолокатор"- http://ko.com.ua/nakonec-to_nastoyashhaya_innovaciya_60152 , уже подтягиваются другие производители - http://www.success-project.eu/pages/project-description/vision.php "high-resolution millimeter wave sensors for distance, speed and angle measurement as miniaturized, highly integrated systems." - The measurement distance range shall be up to a few meters with a target ranging accuracy of better than 1 mm.