@Solla-topee I am using only 2.4ghz on the router. Testing router the speed was 12mbs, the speed of the TP extender was under 2mbs. The Mi extender is Xaomi pro 300m extender. Xaomi extender is set...

Why extender speed is only about 25% of the router speed? Extender has both blue lights on, it's about 4 meters away from router. I also have Mi wifi extender and I setup about 10 meters away from...