I rarely write comments on anything, but this is exactly the case. Before buying there were big doubts, but they were dispelled immediately after the connection. Before that, I distributed the Internet from the phone, the reception was only from the window, while it was not stable, it periodically fell. After the launch of this router, with the same megaphone SIM card (only the tariff had to be changed to a more expensive one), the signal became stable, the distribution speed tripled. I use it without additional external antennas, only with two that were included (about 25 cm each). I definitely advise all doubters, the router at once covered all the communication needs of four family members living in 120 squares.
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