| First Generation Wireless Networks |
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| l | Early 80's. |
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| l | Originally
designed for voice. |
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| l | Based on FDMA air interface. |
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| l | Popular cellular systems: |
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| 1. | AMPS (Advanced Mobile Phone System) |
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| North &
Latin America, America, Eastern Europe, Australia, Asia |
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| 2. TACS
(Total Access Communication System) |
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| Sweden,
Denmark, parts of Russia and Asia |
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| 3. NMT (Nordic Mobile Telephony) |
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| UK |
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