The Internet was carried out on the second floor of a 2-storey building. Down the cable was not initially stretched. What I have not tried in 2 years, and all kinds of routers and repeaters, and even similar devices of a cheaper price category. All to no avail - on the ground floor, the Internet caught in places, but did not reach the multimedia set-top box and smart TV in any way. After purchasing this kit, TP-LINK only needed to plug the blocks into sockets and press the Clone button. All settings of the router (receiving Internet via optics) were immediately copied to the main unit of the kit. Then I connected the main unit with a cable to the router, and the receiver unit to the first floor to the multimedia center. Everything worked right away! In addition, the receiver also distributes wifi to almost the entire floor. In general, the goal has been achieved, everything works without brakes, even HD, even 4K. One drawback is that sometimes when the blocks are plugged into the outlet, a very low connection speed is observed. I reboot the router and everything is back to normal. I recommend to buy!
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