The hardware is also "5G-ready," T-Mobile said, suggesting that Puerto Rico will be prepared for the provider's speed upgrade within the next two years.

This isn't strictly a selfless act. The 600MHz network could give T-Mobile a competitive advantage and help it corner the Puerto Rican market. Even so, it's likely that a fast, extensive network would be very helpful in a territory that telecoms haven't often treated as a high priority.