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What are the four major frequency bands used for cell phone communication across the globe?
850 MHz, 900 MHz, 1,800 MHz, and 1,900 MHz
What can Dual Band cell phones do?
It can access two of these frequency bands limiting their coverage area
What can Quad band cell phones do?
Access all four frequency bands, providing a larger coverage area and better global compatibility
What two frequency bands does Dual band cover in Asia, Africa and Europe?
900 and 1800 MHz
What two frequency bands does a Dual band cover in North and South America?
850 and 1900 MHz
Note 
Flashcard (21)