AMPS (Advanced Mobile Phone Service)
This basic analog cellular service in the United States and South America typically operates at 800 MHz and uses FDMA transmission technology. With AMPS, when one person grabs a segment of frequency for a call, nobody else within the cell can use it. Digital cellular technologies offer ways for carriers to allow more calls in a cell, using the same amount of bandwidth. (See Wireless Glossary of Terms ) | ||||
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