In the chart above, the lower bands came first ... "world phones" actually won't have to support any additional frequency bands at all. That's not to say that you won't need a new phone to ...

By no means is this the most in-depth wireless carrier band and frequency chart, but it should help when you go to buy that next unlocked phone from Samsung, Google, OnePlus, Apple, or Motorola.

Some 5G networks use the 25-39 GHz frequency band, but there are also two other frequencies available. 5G cellular networks are being deployed worldwide and offer substantially higher speeds than ...