usb wifi adapter

i need buy in Aliexpress what best models of USB3.0 Wifi Adapter for use in PC with not disponible PCI and what best models od Repeater Wifi for use in PC? its necessary many money for good adapter and Repeater? best option for distance of 9 meters and with a wall from the main router tplink...

I will be adding a USB adapter for a PC on our home network. Devices on wireless are being served by an R7800 router using Voxel firmware. Older AC USB WiFi adapters are still available, but since they are older issue, they cost as much or more than similar current AX USB WiFi adapters. I...