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A bidirectional amplifier kit that boosts AT&T cellular signal for voice and data in a home or office. It works with all AT&T MVNOs and is installed by professionals. Compared with carrier-specific boosters, it is more flexible, but it requires professional installation and may not support multiple carriers simultaneously.
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This cell phone signal booster is for homes and offices on the AT&T network. It improves voice and data signal inside buildings where walls weaken or block the cell signal. It works with multiple devices at the same time, including smartphones, tablets and mobile hotspots.
The kit has three main parts: a signal amplifier, an outdoor antenna and an indoor antenna. The outdoor antenna picks up the signal from a nearby cell tower and sends it by coaxial cable to the amplifier. The amplifier boosts it and passes it by coaxial cable to the indoor antenna, which spreads the stronger signal through the building.
The booster needs a usable outdoor signal to work. It does not need an internet connection. The coverage area given for a booster is an estimate ("up to" a stated area), because the actual coverage can't be predicted exactly.
