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Answer Posted / shiva krishna prasad
1. To reduce antenna height
2. To convert low freq signal to high freq
3. multiplexing of many signals through the same channel
4. To reduce noise& interference by modulation (means shifting
the signal to a place whr oise is less)
5. For narrow banding of signals
6. equipment limitation
| Is This Answer Correct ? | 52 Yes | 5 No |
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