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Don't those require that you stay within a certain area? For example, the monitor has to be able to communicate via radio with it's base station.
by fatbob 8y ago
Don't those require that you stay within a certain area? For example, the monitor has to be able to communicate via radio with it's base station.
- ilovetux 8y agoCurrently yes. They actually require a land line to be connected to the base, but the technology exists and can be adapted to use mobile networks instead.