Mi WiFi Router 4A Gigabit Edition 1167Mbps Dual Band Dual Core 2.4G 5Ghz 802.11ac High Gain 4 Antennas Remote APP Control Wireless Routers - Newegg.com
OpenWrt Wiki] Xiaomi Mi Router AX9000
Xiaomi Mi R3P Wireless Router Pro 2.4GHz+5.0GHz Wifi 4 Antenna Smart AP 2600Mbps | eBay
Amazon.com: 300Mbps WiFi Amplifier/Universal Wireless WiFi Range Extender/Signal Extender/Repeater/Network Band Signal Booster Amplifier for Mi Router, Smart Wi-Fi App Control and Auto Update Supported : Electronics