'Modem'. A hardware that changes analogy to digital and vice versa.
It might be C. Proof reading the document
Answer:
The correct answer to the following question will be "Safe and relatively low data and voice transmission".
Explanation:
Frequently, the word narrow band corresponds to ultra-high-frequency, S and L bands where the reasonable range is restricted compared to the bands of high-frequency.
- It is desirable throughout the extremely-high-frequency, L-, including S-bands due to the beneficial propagation characteristics of the wavelengths.
- Narrow band Satellite systems facilitate the efficient delivery of both wireless mobile networks at comparatively low bandwidths.
So, By the safe and low data transmission, it's the right answer.
