@Westindieman What is the current network diagram? What kind of VPN you have setup on the Archer C7? With the devices connected to the normal network, does the speed get affected? WIth VPN server...

@veku Thanks for your requesting. Archer A7 v5 is the new model on ac 1750 routers, a few components upgraded making it work more stable. Regarding to the software feature, there is no big difference...

@veku Hello, the Archer A7 v5 does not support onemesh feature in AP mode yet, while we have noted that and will forward it to our product department. You can add a bunch of Onemesh wireless range...

@Debrel Hello, do you have any TP-Link device? What is the model number of it? Generally speaking, the wifi router is designed to located on an open and flat area; there is no accessories to place it...

@Diccon Thanks for your valued reply. Please set application QoS to standard and clear all the high priority rules. And please do not set the total bandwidth on the QoS page. After that, please...

@JTSo @Beechwood Hello, try to forget the network on the affected devices and reconnect to the Deco's wifi network with the password. After that, please verify whether it works. Good day.