How many of you out there were decived by the selling of this Extender as being for the AX5400 Tri-Band router? This extender only supports 2.4 GHz and 5 GHz, and not the 6 GHz band but at the time Amazon was selling it as the extender for the Tri-Band router. Now that I am ready to use 6 GHz devices, TP-Link says I need a new extender (RE-815XE). This was clearly deception at it's finest to dump the RE-815X's that were already manufactured before they released the RE-815XE's. I'm pretty steamed that right on the extender it says it's for the tri-band router when it dosn't support 6 GHz, and we have to purchase another extender in order to get the 6 GHz band extended.