Wi-Fi pulses 10 times per second, broadcasting 2.4 billion cycles of Microwave frequency per second into its surroundings. This frequency goes through walls and human bodies.
Health Canada allows this much Microwave Radiation:
1000 μW/cm2 (microwatts /cm2) based on how much the radiation heats up body tissue = They think it's good enough protection for citizens but there is very little data about Children. They also have an error in their safety code omitting human frequency and human induction in their calculation.
China, Russia, and many countries in Europe recommend only this much Microwave Radiation: 0.0001-10 μW/cm2 (microwatts /cm2) based on discovered damages to cells and organs by the radiation even without heat, and the Precautionary Principle = Better protection for citizens and children. http://goo.gl/4pzyE
Science - thousands of studies supporting each argument.
Our Choice: The Precautionary Principle
Less radiation. Less health risks. Take the SAFER option for our Children. Computers can still function with Hardwired network. We don't want Wi-Fi in school. http://www.safeinschool.org/p/precautionary-principle.html
For Details: Please read The Frequently Asked Questions and other articles on this website.