Cell blocked

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Cell blocked (or cellular blocked) is a phrase applied to scanners and wideband receivers manufactured for sale in the US which denotes that they comply with the provisions of PL 102-556, which amended Section 302 of the Communications Act 47USC302 - to prohibit manufacture, importation, or certification of scanners which could receive the frequency band allocated for analog AMPS - a type of Mobile Phone Network Technology, "the frequencies allocated to the domestic cellular radio telecommunications service":

  • 824-849MHz
  • 869-894MHz