When comparing two absolute power values, what can a wireless engineer conclude after calculating a result of -3 dB?
- The value of the two power levels is the same.
- The power level of interest is double the reference value.
- The power level of interest is half the reference value.
- The power level of interest is ten times the reference value.
- The power level of interest is one tenth of the reference value.
| Explanation & Hint:
According to the dB laws:
|