Hi everyone, Does signal attenuation depend on transmission power? Based on my limited knowledge of physics, it does not. However, in measurement, noticeable difference is observed.
For a sender and receiver, the measured signal attenuation of the link is * 56* dB when the sender transmits at power level *3* while the signal attenuation for the same link is *57* dB at power level *31*. Another related question, according to CC2420 datasheet, the tx power is -25 dBm when power level is 3. Is the actual tx power equal to -25 dBm or there is some variation depending on the specific hardware? How large is the typical variation if any? Look forward to your explanation. Thanks in advance. -- -Xiaohui Liu TelosB TinyOS 2.1.2 www.cs.wayne.edu/xliu/
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