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Radio frequency spectrum is used for a wide range of purposes. In this context, consider the following devices:
1. Terrestrial broadcast television
0 votes (0%)
1. Terrestrial broadcast television
2. Satellite broadcasting television
3 votes (75%)
2. Satellite broadcasting television
3. Bluetooth
0 votes (0%)
3. Bluetooth
4. WiFi
0 votes (0%)
4. WiFi
5. Remote car keys Which among the above use Radio spectrum?
1 vote (25%)
5. Remote car keys Which among the above use Radio spectrum?
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