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  2. Cellular repeater - Wikipedia

    en.wikipedia.org/wiki/Cellular_repeater

    A cellular repeater (also known as cell phone signal booster or cell phone signal amplifier) is a type of bi-directional amplifier used to improve cell phone reception. [citation needed] A cellular repeater system commonly consists of a donor antenna that receives and transmits signal from nearby cell towers, coaxial cables, a signal amplifier, and an indoor rebroadcast antenna.

  3. Telecommunications in Brazil - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_Brazil

    Brazil has both modern technologies in the center-south portion, counting with LTE, 3G HSPA, DSL ISDB based Digital TV. Other areas of the country, particularly the North and Northeast regions, lack even basic analog PSTN telephone lines. This is a problem that the government is trying to solve by linking the liberation of new technologies such ...

  4. Cellular frequencies in the United States - Wikipedia

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

    There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can now switch carriers and keep their cell phone numbers, including prefix 89: Telenor (Bulgaria) Users can now switch carriers and keep their cell phone numbers, including prefix 988: Other mobile networks: Users can now switch carriers and keep their cell phone numbers, including prefix Burkina Faso +226: 70: 8: Telmob: 71: 72: 74 ...

  6. Telecommunications in Ecuador - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_Ecuador

    There are three cell phone providers in Ecuador: Claro ( Telcel ), Movistar, and CNT. Mobile networks are diverse and include GSM 850 MHz (largest) as well as CDMA ( Bell South 's old network before being acquired by Telefónica Spain which rebranded Movistar), TDMA63. CNT is the state owned firm and uses CDMA.

  7. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Comparison of mobile phone standards. Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones. A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

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