opencellid.org has global cell tower location data that I used to do a series of QGIS maps showing Canada’s cell phone tower distribution. The data includes at latitude, longitude and radio generation eg 4G (LTE) or 3G/2G (GSM, UMTS or CDMA).
Canada cell tower distribution
4G (red) and 3G/2G (blue)
Southern Ontario cell tower distribution
4G (red) and 3G/2G (blue)
Southern Quebec cell tower distribution
4G (red) and 3G/2G (blue)
Canada Maritimes (NB, NS, PEI) cell tower distribution
4G (red) and 3G/2G (blue)
Newfoundland cell tower distribution
4G (red) and 3G/2G (blue)
Canada Prairies (AB, SK, MB) cell tower distribution
4G (red) and 3G/2G (blue)
BC and Alberta cell tower distribution
4G (red) and 3G/2G (blue)
Yukon and Northwest Territories cell tower distribution
4G (red) and 3G/2G (blue)
Nunavut cell tower distribution
4G (red) and 3G/2G (blue)