The type of wireless technology that uses microwave radio waves to transmit data is called Wi-Fi. Wi-Fi, or wireless fidelity, is a wireless networking technology that allows devices to connect to the internet or communicate with each other without the need for physical cables. It operates within the 2.4 GHz and 5 GHz frequency bands and uses radio waves in the microwave range to transmit and receive data. Wi-Fi technology is widely used in homes, offices, public spaces, and various industries for wireless internet access and local area networking.