Microsoft announced a pilot program to provide access to rural areas

Microsoft's pilot program to provide broadband Internet access to rural areas uses which of the following technologies?

Group of answer choices
drones
satellites
unused, low-powered television channels
high altitude balloons

In 2017, Microsoft announced a pilot program to provide access to rural areas that lack broadband via unused, low-powered television channels, known as white spaces.  However, the project faces opposition from television broadcasters, who have a concern that using unused airwaves may interfere with broadcasts on nearby channels, as well the costs of developing devices compatible with the technology (Tam, 2017; Kang, 2017).

Laudon, Kenneth C.. E-Commerce 2018 (p. 153).