Be cautious with devices that give off electromagnetic radiation
Waves of uncertainty over wi-fi Stuff.co.nz 29 March 14“……..CUT BACK ON YOUR EXPOSURE
MOBILES AND DEVICES
Before buying a cellphone or internet-capable device, check out its SAR (specific absorption rate) rating – though in New Zealand you’ll likely have to go online for this information. The SAR measures how much the device’s emissions are absorbed by the body. Lower ratings indicate lower absorption.
Ensure your mobile has flight mode and use this as often as you can, including overnight, and when carrying it close to your body.
For long computing tasks, select a wired desktop or plugged-in laptop, rather than a wireless tablet.
Avoid holding a laptop or device on your lap or stomach – use a table instead, unless it’s in flight mode.
When you can, choose a text over a call. Keep phone calls to a minimum or use a hands-free kit.
Keep calls to a minimum where reception is bad – when a mobile is far from a cell tower, it has to boost its signal to connect.
Choose a wired mouse and keyboard.
If possible, choose corded devices, or purchase one with speaker-phone capabilities.
Keep the main transmitting base of the cordless phone away from bedrooms and desks.
Keep calls short.
When installing a transmitting unit, ask for it to be put up high, such as on the wall or a shelf, away from bedrooms or where people sit.
Only turn the system on when you’re using it. Make sure the router is turned off overnight, especially.
Choose software on a laptop rather than cloud-computing technology such as Google Docs, if you’re using wi-fi. Typing in a Google Docs word processing means a wi-fi signal is sent with every single keystroke.http://www.stuff.co.nz/dominion-post/news/9882716/Waves-of-uncertainty-over-wi-fi
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