3g modem normally works only at the top (3floor), before the first signal is not enough. I bought this rubbish. At first I couldn’t set it up in any way: it writes “bring it closer”, where, . la, when is it already back to back? ! Then it all worked, although the “mi home” application still showed an error. As a result, after all these “dances with a tambourine”, the repeater worked for exactly a day and everything was reset !
I installed it on the 2nd floor, as a result, on the 1st floor, the sSee full review