I have a huawei 659 router which provides a good 2,4 GHz coverage to my house, but the 5 GHz coverage is not good. I bought the TP Link RE650 V1 version in amazon to boost the performance of my 5GHz network. I want to combine the speeds of both band in extender to deliver a maximum speed network covering my house (3 floors including ground floor). How to combine both 2,4 and 5 GHz in the tp link re 650 extender and what will be the best solution to boost the 5 GHz network. Thanks in advance.