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121. Global 2G mobile coverage, 2015

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2015. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2015.

122. Global 2G mobile coverage, 2016

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2016. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2016.

123. Global 2G mobile coverage, 2017

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2017. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2017.

124. Global 2G mobile coverage, 2018

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2018. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2018.

125. Global 2G mobile coverage, 2020

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2020. Collins Bartholomew Ltd. Raster data representing the area covered by 2G mobile communications around the world as of February 2020.

126. Global 2G network operators, 2013

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2013. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2013.

127. Global 2G network operators, 2014

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2014. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2014.

128. Global 2G network operators, 2015

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2015. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2015.

129. Global 2G network operators, 2016

Princeton University Restricted content
2016. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2016.

130. Global 2G network operators, 2017

Princeton University Restricted content
2017. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2017.