@gipsasLTU Probably this post could explain the phenomenon described.

@azzoug When using a range extender the speed halves with every wireless hop. That's because the wirless connection is half-duplex in nature. If your main router gives 1000 mbps (on wireless), a...

@Raul-60 Judging by the Turkish support portal you have the local market version (TR) v3 - detals. The only thng you can try is to update the the modem router FW with the TD-W8961N(EU)_V3_180118...

@Raul-60 First, you have to look at the bottom sticker of your TD-W8961N and determine its FW region - details. If your region is (EU), you can update its FW from here. If the FW region doesn't match...

@MartiNGSQ Take a look at the bottom sticker of your router to determine the correct router model - it could be AX20, AX21, AX23, AX1800 or else. When you determne the corrrect model, open the Global...

@Mickey69 Try the solution from here. You can read more about this phenomenon here.