8
Telecommunication is communication at a distance by technological means, particularly through electrical signals or electromagnetic waves.
Added 8/2/2014 4:49:24 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [8/2/2014 5:15:04 PM]
8
Radio communication is communication by means of radio waves.
Added 8/2/2014 4:49:54 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [8/2/2014 5:15:05 PM]
