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Quad-band

A quad-band is a mobile device that uses all four commonly used Global System for Mobile (GSM) data frequencies: 850, 900, 1800, and 1900 MHz. The benefit of quad-band phones is that they can be used to ensure data and voice access from anywhere in the world.

What Small and Midsize Businesses Need to Know About Quad-band

Quad-bands were once very useful for small businesses. However, the GSM network has largely been phased out as technological advancements have moved into the 4G and 5G networks. As such, these devices no longer have any technological applications.

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