Currently deployed scanners operate in the 24-30 GHz range. Generally, microwave radiation is considered safe as long as it's not intense enough to cause burns.

Currently deployed scanners operate in the 24-30 GHz range. Generally, microwave radiation is considered safe as long as it's not intense enough to cause burns. http://en.wikipedia.org/wiki/Microwave#Health_effects http://en.wikipedia.org/wiki/Microwave#Health_effects