For all its wonderful properties carbon fiber has one big downside when used in smartphones – it blocks radio waves, which is why we only see it used sparingly. The Carbon Mobile team in Germany spent years working on the issue and they have cracked it.

The Carbon 1 MK II is the word’s first smartphone with a carbon fiber monocoque (this means that the external shell provides the structural integrity, there are no internal supports). This has made the phone very light (125g) and thin (6.3 mm).
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