Amazon has the TP-Link AC600 USB WiFi Adapter (Archer T2U Plus) for $15 with free shipping on $35+. Features 2.4GHz, 5GHz High Gain Dual Band with 5dBi Antenna.

Amazon has the TP-Link Deco AX3000 Deco X55 WiFi 6 Mesh System 3-Pack for $160 with free shipping. List price: $190. Covers up to 6500 square feet with seamless high-performance Wi-Fi 6 and eliminate dead zones and buffering, connects up to 150 devices. Better than traditional WiFi booster and Range Extenders. #1 Best Seller in Whole Home & Mesh Wi-Fi Systems.

Has excellent Amazon Reviews.

Amazon has the Amazon eero 6" CAT6a Ethernet Cable 5-Pack for $20 with free shipping on $35+. Features 10 gigabit+ speeds, RJ45 connectors.

Amazon has the Amazon eero Max 7 Mesh WiFi System for $1360 with free shipping. List price: $1700. Features two 10 Gigabit Ethernet ports, up to 7,500 sq. ft. of mesh wifi coverage, connects 750+ devices.

Has good Amazon Reviews.

Amazon has the TP-Link AC600 USB WiFi Adapter (Archer T2U Plus) for $15 with free shipping on $35+ or with Prime. List price: $20. Features 2.4GHz, 5GHz High Gain Dual Band with 5dBi Antenna, provides long-range and lag-free connections wherever you are. Upgrade your PCs or laptops to 802.11ac standards which are three times faster than wireless N speeds. #1 Best Seller in USB Computer Network Adapters.

Has good Amazon Reviews.