@jeff500 You could try tweaking the extender's high speed mode settings. Try Auto and if that doesn't work for you try it on manual. If the wireless signa is weak where the extender is placed try...

@keriA You can try this video guide for adding your RE200 via tether app. If this doesn't work for you try this video gudie via web browser.

@Mizan215 Even your link speeed is 867 mbps, your real wireless throughput would never reach this value as explained in the documents I posted.

@MoarMacAddress What do you mean by " usual 8 clients connected ". The powerline adapters (nodes) that can be added to the same network is listed in this FAQ. A wireless node like TL-WPA4220 can...

@Mizan215 Go through this FAQ Q2 and Q3 to know more about the signal link speed and the Internet speed. One more thing to have in mind is that the wireless connection (802.11) uses half-duplex data...

@beatconnection Go through this thread to see how to place your RE for optimal reception and performance.