Across
- 3. Main device in wireless communication
- 4. Medium through which data travels
- 7. Combine multiple signals
- 11. Communication using light
- 12. Device that separates signals at receiver end
- 13. Transfer of data between devices
Down
- 1. Continuous signals
- 2. Range of frequencies
- 5. Unwanted disturbance
- 6. Converts sound to electrical signals
- 8. Increases signal power
- 9. Process of sending information
- 10. Communication using wires