One Comment on “Which of the following wireless device frequencies uses light waves?”

1. Shirley Mathew says:

   April 2, 2014 at 9:30 am

   Infrared Data Association (IrDA) provides specifications for a complete set of protocols for wireless infrared communications and the name “IrDA” also refers to that set of protocols. The main reason for using IrDA had been wireless data transfer over the “last one meter” using point and shoot principles.

   
   
   
   0

   
   
   
   0