Amazon has a USB 3.0 WiFi Adapter with 802.11 AC with dual band (2.4 Ghz at 300 mbps and 5.8 Ghz at 866 mbps) for $9.19 after you clip the coupon on the page and enter the coupon code in your cart:
Coupon code: NCP4WB2H
https://www.amazon.com/dp/B07J65G…i_tit