Plastic bottles are used as antennas for the iPhone 13 series - part 3
Firstly introduce the meaning, operation and application scope of LDS technology. Then introduce the reasons for the poor signal of Apple in the early years and its changes made now. Finally, summarize the whole article and point out that the antenna is not only a part, but the general name of many parts, the plastic is not the ordinary plastic, and the poor signal is not a problem of plastic, but the impact of the environment.