The Realtek rtl8812au chipset is used on many USB WiFi adapters that are online or in stores they are pretty cheap to buy. The device has two antenna (if it has external antennas) for the AC, and N bands. Even though the rtl8812au works on Windows 10 in most cases without the drivers below, there may be extra functionality and stability using the OEM driver
· RTL8812AU Amazing N 300Mbps & AC 867Mbps Data Transfer Speeds are Perfect for Media, is a highly integrated single-chip that supports 2-stream 802.11ac solutions with a Wireless LAN (WLAN) USB interface controller
· Dual-Band (2.4GHz/5GHz) 5dBi Removable Antennas Guarantee Reliable Access, It combines a WLAN MAC, a 2T2R capable WLAN baseband, and RF in a single chip. The RTL8812AU provides a complete solution for a high-performance integrated wireless device.
Additional Linux support here: https://github.com/gnab/rtl8812au