Common examples of wireless equipment in use today include: Cellular phones and pagers -- provide connectivity for portable and mobile applications, both personal and business. Global Positioning System (GPS) -- allows drivers of cars and trucks, captains of boats and ships, and pilots of aircraft to ascertain their location anywhere on earth. Cordless computer peripherals -- the cordless mouse is a common example; keyboards and printers can also be linked to a computer via wireless. Cordless telephone sets -- these are limited-range devices, not to be confused with cell phones. Home-entertainment-system control boxes -- the VCR control and the TV channel control are the most common examples; some hi-fi sound systems and FM broadcast receivers also use this technology. Remote garage-door openers -- one of the oldest wireless devices in common use by consumers; usually operates at radio frequencies. Two-way radios -- this includes Amateur and Citizens Radio Service, as well as business, marine, and military communications. Baby monitors -- these devices are simplified radio transmitter/receiver units with limited range. Satellite television -- allows viewers in almost any location to select from hundreds of channels. Wireless LANs or local area networks -- provide flexibility and reliability for business computer users like
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Wireless technology is rapidly evolving, and is playing an increasing role in the lives of people throughout the world. In addition, ever-larger numbers of people are relying on the technology directly or indirectly. (It has been suggested that wireless is overused in some situations, creating a social nuisance.) More specialized and exotic examples of wireless communications and control include: Global System for Mobile Communication (GSM) -- a digital mobile telephone system used in Europe and other parts of the world; the de facto wireless telephone standard in Europe. General Packet Radio Service (GPRS) -- a packet-based wireless communication service that provides continuous connection to the Internet for mobile phone and computer users. Enhanced Data GSM Environment (EDGE) -- a faster version of the Global System for Mobile (GSM) wireless service. Universal Mobile Telecommunications System (UMTS) -- a broadband, packet-based system offering a consistent set of services to mobile computer and phone users no matter where they are located in the world. Wireless Application Protocol (WAP) -- a set of communication protocols to standardize the way that wireless devices, such as cellular telephones and radio transceivers, can be used for Internet access. i-Mode -- the world's first "smart phone" for Web browsing, first introduced in Japan; provides color and video over telephone sets
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