Great amplifier! I'm really impressed. For me, the most impressive thing is that it is so easy to use this powerful device. I work in a hotel, and quite often there are organized many business events. We used to get a lot of complaints earlier that our guests ' mobile phones were virtually useless for them because they couldn't even capture GSM signals. Especially, we received a lot of complaints from businessmen who came to our facilities for conferences and forums. For our reputation it was pretty damaging. So, we agreed that the scenario would change. And it turned out that this model was of great use to us! Now our guests are happy. That's the biggest advantage for us.
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