Across
- 4. Signal called high frequency
- 7. Signal which travel through air
- 9. Human voice
- 10. Signal which cannot travel through air
- 11. Sharing one thoughts
Down
- 1. Signal which comes after the modulation process
- 2. No boundary
- 3. Combination of transistor and reciever
- 5. It convert one form of energy to another
- 6. Signal called low frequency
- 8. Process used to reduce the height of the antenna and multiplexing