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1. Global 2G mobile coverage, 2014

2014. Collins Bartholomew Ltd. Representation of the area covered by GSM (2G) mobile communications around the world as of December 2014.

2. Global 2G network operators, 2014

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

3. 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.

4. 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.

5. Global 3G network operators, 2014

2014. Collins Bartholomew Ltd. Points representing 3G mobile network operators within particular countries as of December 2014.

6. Global 4G mobile coverage, 2014

2014. Collins Bartholomew Ltd. Representation of the area covered by 4G mobile communications around the world as of December 2014.

7. Global 4G network operators, 2014

2014. Collins Bartholomew Ltd. Points representing 4G mobile network operators within particular countries as of December 2014.