I've noticed David Knight making a couple of mistakes when it comes to communications technology in regards to 5G. Firstly, the maximum frequency for 5G is not 40MHz, it is 40GHz. Also, he mentions "multiplexing," but is misusing the term. Multiplexing is sending multiple signals down a single transmission path. What Mr. Knight is trying to refer to is a technique called "beam steering," or "beam forming." I only mention this in the hopes that someone can correct Mr Knight on the topic.