If you're worried about signal attenuation, for example, the spatial flow of Wi-Fi is invisible to us, but we can roughly understand it as a spherical 3D shape. For example, if you take a bus with an empty suitcase, the suitcase and the car are relatively still when the car starts moving, right? If you are talking about LTE 3G/4G roaming of moving objects, you can refer to the example of making a phone call on a bus with a mobile phone. Is there any serious bag loss?
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