Its pros: The phone automatically switches which network catches better (wifi or repeater). It does its job for me. The speed is not reduced at all ! (checked with different programs) The setting is fast 1 minute. I also connected it to the TV set with a cable, it was with smart TV but without wifi (now with WiFi). In a word, two birds with one stone. Has cons: Not very good range. No better than Wi-Fi (I have the cheapest asus). In the room where the dead zone copes, in others the phone switches to wifi.
Attached some photos to give readers a better understanding of the product.
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