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Collins Bartholomew Ltd.
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Princeton
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11. Global 2G mobile coverage, 2018
2018. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2018.
12. Global 3G mobile coverage, 2007
2007. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2007.
13. Global 3G mobile coverage, 2008
2008. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2008.
14. Global 3G mobile coverage, 2009
2009. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2009.
15. Global 3G mobile coverage, 2011
2011. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2011.
16. Global 3G mobile coverage, 2012
2012. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2012.
17. Global 3G mobile coverage, 2013
2013. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2013.
18. Global 3G mobile coverage, 2014
2014. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2014.
19. Global 3G mobile coverage, 2015
2014. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2015.
20. Global 3G mobile coverage, 2016
2016. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2016.
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