Any recommendations on a non T-Mobile signal booster/repeater?

lbxzero

    I am in need of a signal booster or repeater for my home for the T-Mobile service.  Despite I get good LTE Band 2 signal outside, the house has a literal tin foil hat embedded in the exterior walls, a part of improving the house's energy efficiency.  It causes more trouble for my cellphones trying to get out.

     

    I have requested for the T-Mobile's window signal booster, but my area apparently lacks the necessary bands, therefore I will have to pay a bit more for my own signal booster.  Anyone have any recommendations?

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