More cards in this set

Describe some of the problems with mobile phone signal reception

What is the difference between a digital signal and an analogue one?

What advantages do optical fibres have over radio signals?

What are the advantages of digital signalling?

What are the advantages of a wireless communication network?

What is ghosting?

Why can radio waves travel long distances?

Why are microwaves used to relay signals to and from satellites?

Name two kinds of seismic waves.

What are the main differences between P and S waves?