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Radio Frequency Loss and Gain

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Calculate radio frequency gain and loss

1. Using Table 3-3 as a reference, what is the dB of 1 watt of power?

2. A wireless device has output of 200 mW. It is connected to a cable with a 9 dBi gain and a 6 dB loss. What is the EIRP?

Imagine you are the network administrator of a WLAN. Give an example of how knowing the 10's and 3's Rules of RF Math can help you on the job.

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Hi,

1) The dB gain can be computed depending on the reference power.
- Say for example, the reference power is 100mW. When we compare 100mW and 1W, the gain is tenfold. So from the table, it follows that the gain of 1W is +10dB.

- If for example the ...

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