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The combination of technologies and frequency bands a phone supports.

Examples of modes include "LTE 12", "WCDMA 4", and "CDMA 1900". There are many other combinations. The first part is the technology, while the number represents the frequency band.

LTE (4G) and WCDMA (3G) are two major current technologies.

See: LTE


Bands used in the U.S. include bands 2, 4, 5, 12, 13, 25, 26, 29, 30, 41, and 66.

Some of these bands are also known by numbers that represent their frequency in MHz, such as 1900 for band 2, and 850 for band 5.


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