What does AC1200, AC1750, AC1900 or more, mean and what's the difference?
What Do Those 'AC' and 'AX' Numbers on Your Wi-Fi Router Mean? | PCMag
Amazon.com: Tenda AC2100 High Speed WiFi Router - Dual Band Gigabit Wireless (up to 2033 Mbps) Internet Router for Home, 4X4 MU-MIMO Technology, Parental Control Compatible with Alexa (AC21) : Electronics