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Evolution of Early Cellular Telephone Systems Quiz

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Evolution of Early Cellular Telephone Systems Quiz

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Questions and Answers

What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?

45 MHz (correct)

30 MHz

60 MHz

20 MHz

During the 1980s, why was it almost impossible to roam in Europe?

Europe had no pan-European digital mobile service at that time (correct)

Europe had a complex analog cellular system

Europe had strict roaming regulations

Europe had limited mobile phone coverage

What type of communication do cellular mobile communication systems provide?

Simplex communication

Full-duplex communication (correct)

Multiplex communication

Half-duplex communication

How many channels were used by the first modern cellular telephone systems in the early 1980s?

666 channels Signup and view all the answers

What was the basis of the US cellular system in the 1980s?

Analog cellular system Signup and view all the answers

What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?

45 MHz Signup and view all the answers

In the early 1980s, what was the basis of the US cellular system?

Analog cellular system Signup and view all the answers

What type of communication do cellular mobile communication systems provide?

Full-duplex communication Signup and view all the answers

When did the single pan-European digital mobile service with advanced features and easy roaming start operating?

1991 Signup and view all the answers

How many channels were used by the first modern cellular telephone systems in the early 1980s?

666 channels Signup and view all the answers

Evolution of Early Cellular Telephone Systems Quiz

Choose a study mode

Podcast

Questions and Answers

What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?

During the 1980s, why was it almost impossible to roam in Europe?

What type of communication do cellular mobile communication systems provide?

How many channels were used by the first modern cellular telephone systems in the early 1980s?

What was the basis of the US cellular system in the 1980s?

What was the frequency separation between the forward and reverse channels in the US AMPS standard and European GSM cellular standard?

In the early 1980s, what was the basis of the US cellular system?

What type of communication do cellular mobile communication systems provide?

When did the single pan-European digital mobile service with advanced features and easy roaming start operating?

How many channels were used by the first modern cellular telephone systems in the early 1980s?

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