The countries of Europe use the dual-band frequencies of 900 to 1800 while America primarily uses 850 to 1900. When shopping for an unlocked GSM phone, you’ll want a tri-band 900/1800/1900 (or 850/1800/1900) or a quad-band 850-900-1800-1900 if you intend to use it in the U.S. as well as in Europe.
Read moreWhat are the UK 5G bands?
The current deployments for 5G in the UK and much of the world have been using the 3.4-3.6 GHz sub-part of the mid-band spectrum , or more recently up to 3.68 GHz in the UK including the 3.605-3.68 GHz spectrum of Three UK (extended downwards to 3.6 GHz recently by Ofcom, permitting Three to use a contiguous 100 MHz at …
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