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Japan MIC - Radio Act Enforcement Regulation Amendment

November, 2021


The Japanese Ministry of Internal Affairs and Communications (MIC) have released an updated version of the Radio Act Enforcement Regulations, Radio Equipment Regulations and Technical Standards Conformity Certification of Specified Radio Equipment in order to extend the UWB wireless system frequency band to 7.25 – 9 GHz for outdoor use.


The main changes are:

  • Occupied frequency bandwidth tolerance shall be 1.75 GHz

  • Housing must be designed so that it cannot be easily opened

  • Peak antenna power 0dBm per 50 MHz or less/ average antenna power -41.3 dBm/MHz or less

  • Technical requirements for millimeter-wave radars in 60 GHz band (57 GHz – 64 GHz)

  • Antenna power 12dBm or less

  • EIRP maximum 17 dBm

For additional details, please check out Official link



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