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  2. GSM frequency bands - Wikipedia

    en.wikipedia.org/wiki/GSM_frequency_bands

    The term Cellular is sometimes used to describe GSM services in the 850 MHz band, because the original analog cellular mobile communication system was allocated in this spectrum. Further GSM-850 is also sometimes called GSM-800 because this frequency range was known as the "800 MHz band" (for simplification) when it was first allocated for AMPS ...

  3. Charter Communications - Wikipedia

    en.wikipedia.org/wiki/Charter_Communications

    Charter Communications CATV systems was founded in 1980 by Charles H. Leonard in Barry County, Michigan. [citation needed] [15] [16] The original Charter system headquarters and offices were located at 1001 Payne Lake Road, Yankee Springs Township, Michigan.

  4. Cellular frequencies in the United States - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies_in...

    The B block of spectrum was awarded to a local wireline carrier that provided landline telephone service in the CMA. The A block was awarded to non-wireline carriers. In 1986, the FCC allocated an additional 5 MHz of spectrum for each channel block, raising the total amount of spectrum per block to the current total of 25 MHz. [3]

  5. Cellular frequencies - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies

    Many GSM phones support three bands (900/1,800/1,900 MHz or 850/1,800/1,900 MHz) or four bands (850/900/1,800/1,900 MHz), and are usually referred to as tri-band and quad-band phones, or world phones; with such a phone one can travel internationally and use the same handset. This portability is not as extensive with IS-95 phones, however, as IS ...

  6. Spectrum (brand) - Wikipedia

    en.wikipedia.org/wiki/Spectrum_(brand)

    Spectrum is the trade name of Charter Communications. The name is widely used by both market consumers and commercial businesses. Services that Spectrum offers include cable television, internet access, internet security, managed services, mobile phone, and unified communications. The Spectrum brand name was first introduced in 2014. Prior to ...

  7. Advanced Wireless Services - Wikipedia

    en.wikipedia.org/wiki/Advanced_Wireless_Services

    Advanced Wireless Services (AWS) is a wireless telecommunications spectrum band used for mobile voice and data services, video, and messaging. AWS is used in the United States, Argentina, Canada, Colombia, Mexico, Chile, Paraguay, Peru, Ecuador, Trinidad and Tobago, Uruguay and Venezuela.

  8. LTE frequency bands - Wikipedia

    en.wikipedia.org/wiki/LTE_frequency_bands

    Band Duplex mode [A 1] ƒ (MHz) Common name Subset of band Uplink [A 2] (MHz) Downlink [A 3] (MHz) Duplex spacing (MHz) Channel bandwidths (MHz) Notes 1 FDD 2100 IMT 65 1920 – 1980 : 2110 – 2170

  9. Personal Communications Service - Wikipedia

    en.wikipedia.org/wiki/Personal_Communications...

    Personal Communications Services (PCS) A new generation of wireless-phone technology that introduces a range of features and services surpassing those available in analog- and digital-cellular phone systems. PCS provides the user with an all-in-one wireless phone, paging, messaging, and data service. "Glossary of Telecommunications Terms".