The diagram shows the relative placement of 4G and 5G telecommunication bands within the electromagnetic spectrum. With reference to the diagram, explain why 5G networks need more cellular antennae and closer positioning of antennae than 4G networks. (3 marks) --- 6 WORK AREA LINES (style=lined) ---
ENGINEERING, TE 2019 HSC 22b
A telecommunications engineer has designed a tower that is to support two mobile repeater transmitters. It is to be located in an urban community.
Explain why the engineer has positioned the repeater transmitters as indicated on the diagram. (3 marks)
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ENGINEERING, TE 2020 HSC 26c
Discuss methods for increasing the signal strength of a receiving antenna. (3 marks)
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ENGINEERING, TE 2021 HSC 26c
Explain how a mobile phone maintains a communication link with the network as the user moves location while making a call. (3 marks)
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ENGINEERING, TE 2021 HSC 24c
Describe the basic principles of low orbit satellite telecommunication systems. (3 marks)
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