How difficult would it be to turn smart phones into two-way radios operating in the Family Radio Service, FRS, bands? And would they work when the cell-phone towers fail?
FRS bands don’t require an FCC operating license.
How difficult would it be to turn smart phones into two-way radios operating in the Family Radio Service, FRS, bands? And would they work when the cell-phone towers fail?
FRS bands don’t require an FCC operating license.