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Glossary Detail Quad-Band
Designates a GSM phone that supports all four major GSM frequency bands, making it compatible with all major GSM networks worldwide.

The four bands include the 850 and 1900 MHz bands - used in the Americas - and 900 / 1800, used in most other parts of the world.

Compared to a tri-band phone supporting the 900 / 1800 / 1900 bands, a quad-band phone adds support for GSM 850 for full coverage in the Americas.

Compared to a tri-band phone supporting the 850 / 1800 / 1900 bands, a quad-band phone adds support for GSM 900 for full coverage in Europe and Asia.

See: Band

See: Dual-Band

See: Tri-Band
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