A:AnswerDepending on how far apart your houses are. The signal strength would be great. Neighbor amplifier is the main one, your become second, definitely outdated work.
A:AnswerYes, our WiFi extenders support 100 - 240v. Please be sure to use the appropriate outlet adapter if planning to install the extender in another region.
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TP-Link Support
A:AnswerYes, you can set up the extender to connect via WiFi to your router, or you can configure it in Access Point Mode to connect to one of your Powerline adapters via Ethernet and provide additional WiFi connectivity.
Regards,
TP-Link Support
A:AnswerYes; however we recommend taking steps to minimize WiFi overlap in your area by setting your router's WiFi channel setting to one that that is least congested.
Regards,
TP-Link Support