signal booster do?
It’s a device that boosts or amplifies your weak 3G and 4G signals and then delivers the stronger signal to your cell phone.
phone booster to work?
No, you don’t need an internet connection, but you do need an existing cell phone signal. If there is no existing signal, then you’re in a no service dead zone, meaning the amplifier cannot boost what isn’t there.
Yes, cell phone signal boosters work with all mobile phones that use any variation of 2G, 3G, or 4G service.
They work with all US and Canada carriers.