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1. Global 2G Mobile Communications Network Coverage, 2013

2013. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2013. The data is created... Collins Bartholomew Ltd.

2. Global 2G mobile coverage, 2013

2013. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2013.

3. Global 3G Mobile Communications Network Coverage, 2012

2013. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2013. The data is created... Collins Bartholomew Ltd.

4. 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.

5. Global 4G Mobile Communications Network Coverage, 2013

2013. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 4G mobile communications networks around the world in 2013. The data is created... Collins Bartholomew Ltd.

6. Global 4G mobile coverage, 2013

2013. Collins Bartholomew Ltd. Representation of the area covered by 4G mobile communications around the world as of December 2013.