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  • ProtoDeVNan0 commented on balsuryana's instructable From Old Motors Into Signal Booster10 months ago
    From Old Motors Into Signal Booster

    Anyway. Thanks for the tutorial. Maybe Your phone uses the sim card as a antenna somehow..? No idea.

    I don't really get how it works. Tried it on 3 different phones and 1 old phone, nothing has changed. Sim cards don't have any antennas in them. Your phone does. And there is a real way to boost Your signal by plugging a extra antenna to that little coax like antenna port on the back of Your phone.

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