I have posted in the TP-Link technical support forum to find out if they sell a range extender with a high speed RJ45 output jack.
Thanks for all of the help. FReepers rule!
Sorry for not or mis-understanding. I also have a Realtek PCIe GbE Family Controller on a MSI B450-A PRO ATX AM4 Motherboard with integrated network adapter and under Properties W/10 says 1000/1000 (Mbps) and under Status it says 1.0Gbps and https://www.speedtest.net says 116.00 Mbps Download and 5.79 Mbps Upload and is connected to the Router/Modem directly via Ethernet. But my plan is only good for 100 Mbps Download. I had a higher tier for a while and although it got 200 Mbps Download yet the upload was the same.