Below are the answers key for the Multiple Choice Questions (MCQs) in Chapter 32: Wireless and Personal Communications Systems from the book Teach Yourself Electricity and Electronics, 5th edition by Stan Gibilisco.
1. A client-server network.
2. On a line of sight.
3. A telephone set that requires a wall jack.
4. Radio reception.
5. Transmitting on amateur-radio frequencies.
6. Reducing the temperature to very low values.
7. The signal bandwidth increases.
8. 10 to 100 meters.
9. Stronger incoming signals are needed to overcome it.
10. Frequency.
11. Transceiver.
12. Radiolocation.
13. A peer-to-peer LAN.
14. Selling cars by broadcasting prices to other hams.
15. 55 meters.
16. Repeater.
17. Privacy.
18. Mobility.
19. Longer than visible-light waves.
20. To a motorist who is lost.
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