Nice find Granny. We may finally be on our way here. 5G issues have always been distance and interference. Seems you need towers on every block to get the service you want. These guys may have found the answer. <br /> <br /> <br /> <b>It has the advantages of large communication capacity, long transmission distance, anti-electromagnetic interference, and small signal crosstalk. It is currently the most important means of information transmission. </b> <br /> <br /> <br /> Lets hope we get a news release connecting us to this new IOT.