Facts about 4G

1. 09

   Radio frequencies used by 4G LTE networks fall within spectrum bands ranging from 700 MHz to 2.6 GHz, allowing operators to balance coverage area against data capacity.

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2. 08

   Carrier aggregation technology in 4G LTE combined up to five separate frequency bands simultaneously, enabling peak download speeds of 300 megabits per second by 2014.

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3. 07

   Samsung and Qualcomm demonstrated the first 5G-ready 4G LTE connection in 2013, achieving 1 gigabit per second speeds using carrier aggregation technology across multiple spectrum bands.

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4. 06

   Approximately 800 million 4G LTE devices were in use worldwide by 2015, representing a fivefold increase from 2012's 160 million connected devices.

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5. 05

   South Korea deployed nationwide 4G LTE coverage across 99.8 percent of its population by 2015, making it one of the earliest countries to achieve near-complete 4G infrastructure saturation.

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6. 04

   AT&T's 4G LTE rollout required approximately 40,000 cell sites to be upgraded across the United States between 2011 and 2014.

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7. 03

   Verizon launched commercial 4G LTE in December 2010 and reached about 95 percent of the United States population within three years.

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8. 02

   LTE Advanced, the 4G evolution standard finalized in 2011, theoretically delivered download speeds exceeding 1 gigabit per second compared to 4G's 100 megabits per second maximum.

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9. 01

   The first commercial 4G LTE network launched in Sweden and Norway on December 14, 2009, by Telia Company.

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