A new API update to the OPS243 radar sensor enables a power savings hibernate mode. It provides the ability to bring average power consumption down under 200mW. At this low level, the radar sensor can be combined with a battery to provide remote detection where power is not available.
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/new-radar-hibernate-mode-enables-battery-backed-operation