Answer:
Wireless communication technology transmits information over the air using electromagnetic waves like IR (Infrared), RF (Radio Frequency), satellite, etc. For example, GPS, Wi-Fi, satellite television, wireless computer parts, wireless phones that include 3G and 4G networks, and Bluetooth.
More To Wireless Technology
There are various devices used for wireless communication from which some are to be mentioned like mobiles, GPS, Cordless telephones, Zigbee wireless technology, Wi-Fi, satellite television and other wireless computer parts.
4 Different Types of Wireless Technology
The four types of wireless networks -- wireless LAN, wireless MAN, wireless PAN and wireless WAN -- differ when it comes to size, range and connectivity requirements.