You may check in linux forums to get the driver from other developers: https://github.com/lixz789/mt7610u_wifi_sta_v3002_dpo_20130916

You may send email to tplink tech support to get help.

What's the signal strength that RE350K received from your main router? Is it at the same place where you put the RE200? You may try to use Wi-Fi Analyzer to check the signals around and find the best...

For WA701ND V1, it cannot assign an IP to your PC automatically. You need to set up a static IP for your PC to access its management page. You may refer to this link:...

I don't think this model works well as a range extender. If possible, you can consider plugging an ethernet cable from your main router to the TD-W8961ND and set it up as an access point. The setup...

May I know why you want it to be controlled by LAN port, not IP? Mostly I would prefer it to be controlled with IP. And as I know, that's also the design of bandwidth control on TP-Link products.