If your modem or your computer do you have special function(which I can't know), in a normal case, when the USB modem plugged into the TL-MR3020, the computer can't see the USB modem directly.

Yes, if you delete the deco on your account, and then readd it with the new account, it will bind to the new account, but need reconfigure the deco units

on the management page of the TL-WR941HP, you can go to the Advanced->Adavnced settings->wifi coverage to change the coverage of the router. Here is no option to change the transmit power

How many deco do you have? Do you still have the same unstable issue? or after you change the master deco, all the deco network is working properly? How about the firmware version and hardware...

Hi, Normally the router is extend the wireless signal in the horizontal direction, if the RE is much higher or lower than the router, the RE can't received good signal strength from the router so...

on the deco M9, the upstream and downstream rates are also the realtime speed, not the connection speed/link speed.