Why is carrier frequency high?

Related questions

1. Are early ultrasounds dangerous?
2. What is a carrier frequency?
3. What is the relation between speed and frequency?
4. What does ultrasound do in physiotherapy?
5. What does the HZ mean on an ultrasound?
6. How long should you use ultrasound?
7. What is ultrasound frequency range?
8. What is the advantage of high frequency?
9. What is speed frequency?
10. What does MHz mean on ultrasound?

Tags

1. #power
2. #capability
3. #range
4. #signals
5. #waves
6. #carrier
7. #antenna
8. #information
9. #transmission
10. #because
11. #needed
12. #effective
13. #enhance
14. #converting
15. #increase
16. #frequency
17. #radiated