Examples include mobile phones , personal digital assistants ( PDAs ) , Global Positioning System ( GPS ) units , garage door openers , wireless computer mice and keyboards , satellite television and cordless telephones . It encompasses various types of fixed , mobile , and portable two-way radios , cellular telephones , personal digital assistants ( PDAs ) , and wireless networking . Other examples of wireless technology include GPS units , garage door openers and or garage doors , wireless computer mice , keyboards and headsets , satellite television and cordless telephones .