Yes, it is possible to create two Wi-Fi networks with different speeds.
Yes, it is possible to create two Wi-Fi networks with different speeds.
Would you like to set up an additional network with reduced performance compared to your primary connection? Yes. Certain routers support the setup of a guest network.
If your device can handle several Wi-Fi networks and quality of service settings, it’s rare to find such features on regular consumer equipment.
What equipment do you possess? Standard home devices usually fall short, but with Ubiquiti or enterprise-grade tools—like those mentioned by @Falconevo—you can create various SSIDs with distinct access rules, even within the same VLAN or network or across separate APs. This approach isn't always reliable when you can combine multiple SSIDs on a single frequency and apply different policies.