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1. Global 2G Cellular Towers, 2013

2013. Collins Bartholomew Ltd. This point shapefile contains locations of 2G mobile cellular towers around the world for 2013. The data is created from submissions made directly ... Collins Bartholomew Ltd.

2. 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.

3. Global 3G Cellular Towers, 2013

2013. Collins Bartholomew Ltd. This point shapefile contains locations of 3G mobile cellular towers around the world for 2013. The data is created from submissions made directly ... Collins Bartholomew Ltd.

4. 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.

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 2G Mobile Communications Network Coverage, 2012

2012. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2012. The data is created... Collins Bartholomew Ltd.

7. Global 3G Mobile Communications Network Coverage, 2012

2012. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2012. The data is created... Collins Bartholomew Ltd.

8. Global 4G Mobile Communications Network Coverage, 2012

2012. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 4G mobile communications networks around the world in 2012. The data is created... Collins Bartholomew Ltd.

9. Global 2G Mobile Communications Network Coverage, 2011

2011. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2011. The data is created... Collins Bartholomew Ltd.

10. Global 3G Mobile Communications Network Coverage, 2011

2011. Collins Bartholomew Ltd. This polygon shapefile is representation of the area covered by 3G mobile communications networks around the world in 2011. The data is created fro... Collins Bartholomew Ltd.

11. Global 4G Mobile Communications Network Coverage, 2011

2011. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 4G mobile communications networks around the world in 2011. The data is created... Collins Bartholomew Ltd.

12. Global 2G Mobile Communications Network Coverage, 2009

2009. Collins Bartholomew Ltd. 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.

13. Global 3G Mobile Communications Network Coverage, 2009

2009. Collins Bartholomew Ltd. 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.

14. Global 4G Cellular Towers, 2013

2009. Collins Bartholomew Ltd. This point shapefile contains locations of 4G mobile cellular towers around the world for 2013. The data is created from submissions made directly ... Collins Bartholomew Ltd.

15. Global 2G Mobile Communications Network Coverage, 2008

2008. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2008. The data is created... Collins Bartholomew Ltd.

16. Global 3G Mobile Communications Network Coverage, 2008

2008. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2008. The data is created... Collins Bartholomew Ltd.

17. Global 2G Mobile Communications Network Coverage, 2007

2007. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2007. The data is created... Collins Bartholomew Ltd.

18. Global 3G Mobile Communications Network Coverage, 2007

2007. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2007. The data is created... Collins Bartholomew Ltd.