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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]
Corry
Corry is a city in northwestern Pennsylvania in the United States. With a population of 6,605 at the 2010 United States Census, it is the second largest city in Erie County. Corry is a part of the Erie, PA Metropolitan Statistical Area. The city became famous in the late-19th and early-20th centuries for being the manufacturer of Climax locomotives.
Erie County was formed from parts of Allegheny County on March 12, 1800.[1] On May 27, 1861, tracks owned by the Atlantic and Great Western Railroad intersected with those of the Sunbury and Erie Railroad and was called the “Atlantic and Erie Junction”.[2][3] Land at the junction was owned by Hiram Cory, who sold a portion to the Atlantic and Great Western in October 1861. The railroad built a ticket office at the junction and named it for Cory, but through a misspelling it became Corry.[2]
The combination of railroad growth and the discovery of oil in nearby Titusville contributed greatly to Corry’s development. This boomtown was chartered as a borough in 1863 and designated as a city in 1866. Industry has played a big part in Corry’s growth, and the Corry Area Historical Society maintains a museum where one of the Climax locomotives (the steam engine used in logging operations that brought fame to Corry) is on display.
Corry has been named a Tree City USA for seven consecutive years.[4]
The Corry Armory was listed on the National Register of Historic Places in 1991.[5]