What does AC1200, AC1750, AC1900 or more, mean and what's the difference?
Amazon.com: Tenda AC18 Wireless-AC1900 Dual Band Gigabit Router,1300Mbps at 5GHz, 600Mbps at 2.4GHz,4 High Speed LAN Ports, USB 3.0 Port, Guest Network (AC18), Black : Electronics
Amazon.com: Tenda Wi-Fi 6 Router AX1800 Smart WiFi Router (RX3) -Dual Band Gigabit Wireless Internet Router,with MU-MIMO+OFDMA, 1.8GHz Quad-Core CPU, Up to 1200 Square Feet Coverage(4 Rooms) & 64 Devices : Electronics
Tenda AC18 Wireless-AC1900 Dual Band Gigabit Router,1300Mbps at 5GHz, 600Mbps at 2.4GHz,4 High Speed LAN Ports, USB 3.0 Port, Guest Network (AC18), Black : Electronics - Amazon.com