Complex sentence: The original equipment weighed, and there were initially only 3 channels for all the users in the metropolitan area, later more licenses were added bringing the total to 32 channels across 3 bands (See IMTS frequencies).
Split into simpler sentences: The original equipment weighed, and there were initially only 3 channels for all the users in the metropolitan area. Later, more licenses were added, bringing the total to 32 channels across 3 bands (See IMTS frequencies).