This is my setup ONU > Deco X20 Gateway > TL-SG108E > LS1005G > Deco X20 AP When removing the TL-SG108E from the picture. Everything works fine and sweet. After adding the TL-SG108E, everything breaks

My printer and my Smart TV keeps connecting to the access point which is furthest away from them. It keeps dropping off during usage as the signal is the weakest. The TV and the printer does not wanna

If I enable my Guest WiFi Network on my AX10 router, will it spilt the bandwith with my host WiFi Network? If the answer is yes, means that now with the guest network on my wifi is running on half dup