10 Questions
What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?
45 MHz
During the 1980s, why was it almost impossible to roam in Europe?
Europe had no pan-European digital mobile service at that time
What type of communication do cellular mobile communication systems provide?
Full-duplex communication
How many channels were used by the first modern cellular telephone systems in the early 1980s?
666 channels
What was the basis of the US cellular system in the 1980s?
Analog cellular system
What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?
45 MHz
In the early 1980s, what was the basis of the US cellular system?
Analog cellular system
What type of communication do cellular mobile communication systems provide?
Full-duplex communication
When did the single pan-European digital mobile service with advanced features and easy roaming start operating?
1991
How many channels were used by the first modern cellular telephone systems in the early 1980s?
666 channels
Test your knowledge of the evolution of early cellular telephone systems with this quiz. Explore the development of the Advanced Mobile Phone Service (AMPS) and the challenges of roaming in different parts of the world during the 1980s.
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