@xReina I'll start with bad news. All WiFi mesh systems are very similar when it comes to WiFi signal. Different WiFi mesh systems and brands can offer different features in hardware and software,...

@RyanC92 I would recommend to buy Deco M4, M5 or M9 Plus for Main Deco. You can, then, use your current Main Deco E4 as Satellite Deco. This is how you switch Main Deco in your Deco mesh: How to Set...

@shabiu I have Deco M5 and when testing its wired link I am getting 920Mbps, which is as close to gigabit as it gets. Make sure you have increased QoS parameter after internet connection upgrade,...

@Vraze See Connection Preference: Customize Your Preferred Signal Source

@shabiu Deco M5 is WiFi5. You can't get more than 600-650Mbps from WiFi5 capable mesh. To get speeds closer to gigabit, you will need to replace all your Deco M5 with WiFi6, WiFi6E or WiFi7 capable...

@MalaIRL TP-Link offers Deco X50 and Deco X55 - both models have similar specs, but if both available in your region, at least on Amazon their prices could differ substantially. Check prices for both...