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There is a difference in Wireless Technology & Wireless Transmission. Wireless Transmission include = Waves (Radio/Micro/Infrared) Wireless Technology includes = WI-FI, Satellite, Geofencing, GPS, RFID, Bluetooth. Wireless Technology Video - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-L-QpdXs-jX0.html