Internet Technologies/Wireless connectivity
Wireless is a generic term that refers to the transfer of data between sendeer and receiver via radio (or optical) waves of different frequencies. Wireless is a group of related technologies that are different from each other in their speed, range, power, and compatibility. Two of the most popular technologies include Wi-Fi, Bluetooth.
Wi-Fi is the most popular form of wirless connection. It belongs to the 802.11 protocol family. Wi-Fi is a radio-based wireless internet that is high powered. It can handle large amounts of data of long distances.
Bluetooth is a low-powered alternative that transmits data slowly over short distances. It uses a very secure digital radio communication that is not tied to any particular radio frequency. The name Bluetooth comes from a tenth-century Viking king who unified Norway and Denmark.
Source: Siegel, Carolyn. Internet Marketing Fundation and Applications. 2. Boston: Houghton Mifflin Company, 2006.