# Licensing conditions

### Explanation of question 8

Precautions must be taken to ensure that the radiated energy is kept within

1. a bandwidth no greater than 3kHz
2. a bandwidth no greater than 6kHz
3. the narrowest possible frequency band
4. the maximum possible frequency band

The answer is :- 3

No specific bandwidth is given. ‘.... and to keep the radiated energy within the narrowest possible frequency bands having regard to the class of emission in use.’

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