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19. 2009 Global 2G Mobile Communications Network Coverage

Polygon New York University Restricted content
2009. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2009. The data is created... Collins Bartholomew Ltd.

20. 2009 Global 3G Mobile Communications Network Coverage

Polygon New York University Restricted content
2009. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2009. The data is created... Collins Bartholomew Ltd.