I took to replace the Netis PL7622 kit, which failed six months later due to overheating when working 24x7. The Powerlink part is both built on Qualcomm-Atheros chips. The speed for 220V was about 200Mbit one way from different parts of the apartment 60 sq. M. Netis cost less than five hundred wooden ones and could be not only an access point, but also a router with support for WISP, IPoE, PPPoE, PPTP, L2TP and multicast. (The router is built on a Realtek chip). All this functionality was hidden in a small box, which got very hot and played a cruel joke with it. TP-Link has a larger case and more ventilation holes. Should work longer. If you just need to stretch WiFi over 220V, then a good solution.
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