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1. Global 2G network operators, 2015
2015. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2015.
2. Global 3G network operators, 2015
2015. Collins Bartholomew Ltd. Points representing 3G mobile network operators within particular countries as of December 2015.
3. Global 4G network operators, 2015
2015. Collins Bartholomew Ltd. Points representing 4G mobile network operators within particular countries as of December 2015.