TP-Link Archer C20 AC750 Wireless Router WiFi Speedtest

We are testing what is the maximum speed of the WiFi connection on TP-Link Archer C20. This is tested using TP-Link Archer T4U USB wireless adapter on Ookla's Speedtest. Please be informed that WiFi speed is affected by environmental interference and system configuration. This test is conducted at a close distance between the router and receiver.