Reply to post: Re: There goes international roaming

Satellite operators' shares plummet as FCC plumps for public 5G spectrum auctions

Timo

Re: There goes international roaming

Mobile device manufacturers certainly could make a device that handles all bands, but it would not be practical. Each band generally needs its own filtering, amplifier and antenna, although a few bands overlap so could be supported without as much work.

So it drives up cost and complexity, and size. And power consumption. It was a huge breakthrough to get 4 bands in a phone.

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