You can give a try to uninstall & install the powerline utility. The firmware is running on TL-WPA281, and the utility is running on your PC. So firmware and utility, they are irrelevant and won't...

We have tested TL-WPA4220 many and many times, and I can promise you that there is no such problem on TL-WPA4220. Any device which is connected to TL-WPA4220 will obtain IP address from the main...

All TP-LINK powerline adapters are compatible, and they can all work together. This link will help you understand how to configure TP-LINK powerline adapters:...

"to reach another building about 50 meters a way" So the original building and another building are different buildings, aren't they? If so, different buildings normally use different powerline...

This link will help you: http://forum.tp-link.com/showthread.php?75985-How-to-build-a-secured-powerline-network&region=china

You can use the SwitchPowerSaveTool to turn off your powerline adapter's PowerSave mode. Here is the link of this tool: http://www.tp-link.com/en/support/download/?model=TL-PA511&version=V1#tbl_b...