Quote Originally Posted by Maxx Power View Post
The paper clearly states we use radio transmitters.
What do you think is on your cellphone or your wireless laptop ? Or even in the fanciest wireless controllers ? Bluetooth is a radio transmission standard and so is WiFi. So are TDMA, CDMA and all the digital cellphone wave standards.

Cheap controllers use infrared instead of radio waves but the more sophisticated ones use bluetooth or other radio transmission standard such as 802.

Ex Motorola employee here