I bought it for the dacha, tried it on different operators (tariffs for routers), all have the same story. I thought the problem was in the antenna, I bought an external antenna, nothing has changed. Brought to Hong Kong - a similar story. while fiddling time to return the goods has passed. It's a chore to mess around with alternative firmware and the result is the same. As a result, I got the amount of a non-working router and an antenna, not counting SIM cards.
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