I'm looking for a type of device that will test and report ALL cellular network signals from my location.
You can download an app on your phone to report your signal strength (-dB) for your provider. My provider is Verizon, but the signal to my home is very weak. I suspect there is a Sprint tower nearby (I called the cell tower operator, no return call). But I'm more interested in testing for all cell signals (T-Mobile, AT&T, Verizon, Sprint, so on) to my location. Does something like this exist? Is it illegal? I picture something like this:
You can download an app on your phone to report your signal strength (-dB) for your provider. My provider is Verizon, but the signal to my home is very weak. I suspect there is a Sprint tower nearby (I called the cell tower operator, no return call). But I'm more interested in testing for all cell signals (T-Mobile, AT&T, Verizon, Sprint, so on) to my location. Does something like this exist? Is it illegal? I picture something like this: