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Glossary Detail GHz (Gigahertz)
A unit of frequency equal to one billion cycles per second (Hertz). Wireless mobile phone communications in the United States occur in the 0.8 GHz and 1.9 GHz bands (better known as 800 and 1900 MHz, respectively).

1 GHz = 1,000 MHz = 1,000,000 KHz
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