Why is the 2.4G router not as fast as the original frequency band? Too slow! Originally, my NBN plan was 45MB/S. The actual test can reach 45MB/S. The router model used is TP-LINK AC1200. I now choose the NBN 200MB/S plan. The new router I use is AX1800 Dual-Band Wi -Fi6 Router MR70X, which can reach 210MB/S in the 5G frequency band is very good. But the 2.4G frequency band is only 20MB/S. Why? ... View more