A booster might help. CellSpot requires a connection to high-speed Internet. So, if WiFi does not seem like an option, I doubt that CellSpot would be much help.
You have to go through the tech lines and then they will determine what you need and send you one.
The current Signal Booster has two units. One you place where the signal is strongest (usually a window) then the other one where you need the signal
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