@Diganta You can adjust the wireless settings to improve its performance, like wireless channel, channel width and transmit power. For 2.4GHz, use channel 1, 6 or 11 and channel width 20Mhz; for...

@Sprans Please read this post. https://community.tp-link.com/en/home/forum/topic/173376

@xtremerox Thanks for your update, glad to hear that you figured it out. You can take more time to test its performance and stability, any updates, please keep me posted. Best regards.

@carlo3 Hello, you can use the Archer C9 as the main router and Deco M9 plus as the access point; considering Archer C9 does not support mesh network, there would be 2 different wireless networks,...

@DGT Hello,Deco app can manage different Deco networks even if they are at different locations. You can click the settings button to select a network to add, and then a new network would be there....

@Diccon What is the current network topology/layout? With your computer connected to the modem directly, please verify the actual speed you can get and the wired link speed as the instruction below;...