Originally Posted by
GUWonder
You wouldn't necessarily know if a device is in "flight mode" or not unless you were staring at what she was doing. Also some cell phones are set to "flight mode".
I was just getting to that. Blackberry is a smartphone that can function without having the aerial turned on. Ofcourse it isn't transmitting and receiving at that point but you can still answer e-mails and write notes etc.
/E