I have been using these devices for 2 years, they work perfectly in all weathercomnditions in Hong Kong. The devices never hung up, at a distance of 330 meters the pumping speed is more than 100 Mbps (the test between the AP and the client shows up to 180 Mbps in one direction). On one side the Internet is 100/100 Mbps, on the other there are more than 15 clients - when using torrents, others can safely play online games and climb sites. Wrote a short article on the use of these devices:
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