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Mobile / Wireless / Cellular Service
Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor.
The most common wireless technologies use radio. With radio waves distances can be short, such as a few meters fortelevision or as far as thousands or even millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of applications of radio wireless technology include GPSunits, garage door openers, wireless computer mice, keyboards and headsets, headphones, radio receivers, satellite television, broadcast television and cordless telephones.
Somewhat less common methods of achieving wireless communications include the use of other electromagneticwireless technologies, such as light, magnetic, or electric fields or the use of sound.
The term wireless has been used twice in communications history, with slightly different meaning. It was initially used from about 1890 for the first radio transmitting and receiving technology, as in wireless telegraphy, until the new wordradio replaced it around 1920. The term was revived in the 1980s and 1990s mainly to distinguish digital devices that communicate without wires, such as the examples listed in the previous paragraph, from those that require wires. This is its primary usage today.
LTE, LTE-Advanced, Wi-Fi, Bluetooth are some of the most common modern wireless technologies.
A mobile phone is a telephone that can make and receive calls over a radio frequency carrier while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Most modern mobile telephone services use a cellular network architecture, and therefore mobile telephones are often also called cellular telephones or cell phones. In addition totelephony, modern mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming, and photography. Mobile phones which offer these and more general computing capabilities are referred to as smartphones.
The first handheld mobile phone was demonstrated by John F. Mitchell[1][2] and Martin Cooper of Motorola in 1973, using a handset weighing c. 4.4 lbs (2 kg).[3] In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion, penetrating 100% of the global population and reaching the bottom of the economic pyramid.[4] In 2014, the top mobile phone manufacturers were Samsung, Nokia, Apple, and LG.[5]
Lebanon
Lebanon /ˈlɛbnən/ is the county seat of Wilson County, Tennessee, United States.[4]
The population was 26,190 at the 2010 census, 28,608 in 2013 and 32.372 following a special census conducted in 2016[5].
Lebanon is located in Middle Tennessee, approximately 25 miles (40 km) east of downtown Nashville. Lebanon is part of the Nashville Metropolitan Statistical Area.
The city was incorporated in 1801,[6] and was named after the biblical cedars of Lebanon.[7] Local residents have called Lebanon “Cedar City”, mostly a reference to the abundance of cedar trees in the area. The city is home to Cumberland University, a small, private four-year liberal arts institution.
As of the census[2] of 2000, there were 20,235 people, 7,987 households, and 5,319 families residing in the city. The population density was 692.0 people per square mile (267.2/km²). There were 8,693 housing units at an average density of 297.3 per square mile (114.8/km²). The racial makeup of the city was 82.89% White, 13.78% African American, 0.33% Native American, 0.82% Asian, 0.03% Pacific Islander, 1.00% from other races, and 1.15% from two or more races. Hispanic or Latino of any race were 2.26% of the population.
There were 7,987 households out of which 30.9% had children under the age of 18 living with them, 47.7% were married couples living together, 15.0% had a female householder with no husband present, and 33.4% were non-families. 28.5% of all households were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 2.94.