Comment Ultrawideband - its the real story. (Score 4, Interesting) 522
Unfortunately this is a rehash of old news.
The fact that Mobiles, PDAs and Laptops *can* cause interference has been widely known for a long time. Anyone that has flown in the last 5 years will be familiar with the warning to turn off these devices on take off and landing.
The possible Ban on laptops etc relate to the introduction of 'ultrawideband' capabilities for these devices which 'could affect a plane's electronics, including its instrument landing system and its collision avoidance systems'.
Ultrawideband devices are expected to hit the stores this year, and will range from laptops to PDAs to the following military applications:
Since Aircrew will not be able to tell the difference between UWB devices and regular laptops, it seems that a blanket ban may be applied.
A good overview of Ultrawideband and its political consiquenses can be found here
An article on Ultrawideband and its effects on aeroplanes can be found here