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MIIT129-2021:
MIIT129-2021
Order of Ministry of Industry and Information Technology of
the People’s Republic of China
MIIT [2021] No.129
In order to maintain the order of airwaves and promote the development of the
radio industry, in accordance with the Radio Management Regulations of the
People's Republic of China and the Radio Frequency Allocation Regulations of
the People's Republic of China, and with reference to the Radio Regulations of
the International Telecommunication Union, the following matters concerning
strengthening and standardizing radio management in the 2400-2483.5MHz,
5150-5350MHz and 5725-5850MHz frequency bands (hereinafter referred to as
the 2400MHz, 5100MHz and 5800MHz frequency bands, respectively) are hereby
notified:
Notice of the Ministry of Industry and Information
Technology on Strengthening and Standardizing Radio
Management in the 2400MHz, 5100MHz and 5800MHz
Frequency Bands
Article 1 The 2400MHz, 5100MHz and 5800MHz frequency bands are allocated
to one or more radio services, such as fixed, mobile, radio positioning, satellite
fixed, satellite Earth exploration, satellite radio determination, space research, etc.
The 2400MHz and 5800MHz frequency bands are also designated for non-radio
equipment that radiates radio waves, such as industrial, scientific and medical
(ISM) applications that generate radio frequency energy. No radio station or
equipment may exclusively use the frequencies in the 2400MHz, 5100MHz and
5800MHz frequency bands.
Article 2 According to the corresponding mobile or fixed service radio frequency
division, the 2400MHz frequency band can be used for radio communication
systems such as broadband wireless access (including wireless LAN), Bluetooth,
and point-to-point transmission; the 5100MHz frequency band can be used for
radio communication systems such as broadband wireless access (including
wireless LAN), however, it is limited to indoor use (not including in cars); the
5800MHz frequency band can be used for radio communication systems such as
broadband wireless access (including wireless LAN), point-to-point transmission,
and electronic non-stop toll collection.
Article 3 The radio frequency unit and antenna of radio transmitting equipment
operating in the 2400MHz, 5100MHz and 5800MHz frequency bands must be
designed and produced in an integrated or synchronously matched manner. It is
not allowed to use other antennas or add additional radio frequency power
amplifiers without authorization. The transmitting equipment shall comply with the
technical requirements listed in the appendix (see Appendix 1 and Appendix 2)
and obtain the radio transmitting equipment type approval certificate in
accordance with the law (except for micro-power short-range radio transmitting
equipment).
Article 4 In order to achieve compatible coexistence with other business
frequencies such as radio positioning, radio transmission equipment operating in
the 5250-5350MHz frequency band shall adopt transmit power control (TPC) and
dynamic frequency selection (DFS) interference suppression technology, and the
function option of turning off DFS shall not be set. The TPC range shall be no less
than 6dB; if there is no TPC function, the equivalent isotropic radiated power and
equivalent isotropic radiated power spectral density limits shall be reduced by 3dB
compared with the corresponding limits listed in the appendix.
In order to achieve compatible coexistence of different radio service frequencies,
radio transmitting equipment operating in the 2400MHz, 5100MHz and 5800MHz
frequency bands shall comply with one of the interference avoidance technical
requirements listed in Appendix 2.
Wireless LAN devices with public network IP address allocation function shall
support IPv6 protocol and enable IPv6 address allocation function by default. For
wireless LAN devices with special national requirements for information security,
the air interface access control security capability shall also comply with GB 15629
national wireless LAN security series standards.
Article 5 Where wireless LAN access points (APs), broadband wireless access
system central stations, and point-to-point transmission radio stations are set and
used, and the following conditions are met at the same time, a radio station license
shall be applied from the local radio management agency of the province,
autonomous region, or municipality directly under the central government:
(I) Deployed in outdoor environment;
(II) The equivalent isotropic radiated power of radio transmitting equipment
operating in the 2400MHz frequency band shall be greater than 20dBm; the
equivalent isotropic radiated power of radio transmitting equipment operating
in the 5800MHz frequency band shall be greater than 30dBm.
In addition to meeting the above conditions, other radio transmitting equipment
and radio stations setting and using the 2400MHz, 5100MHz and 5800MHz
frequency bands shall be managed in accordance with the terrestrial public mobile
communication terminals and no radio station license is required.
Article 6 The radio management agencies of all provinces, autonomous regions,
and municipalities directly under the central government shall actively promote
the online processing of relevant radio station licenses and other matters to
improve the convenience of government services.
Article 7 The radio stations setting and using the 5100MHz frequency band shall
be more than 3 km away from earth stations that legally use satellite radio
determination (air-to-ground) services and satellite fixed (air-to-ground) services
in the same frequency band. Relevant satellite earth stations shall have obvious
signs at road intersections within 3 km to indicate that the setup and use of radio
stations in the 5100MHz frequency band is prohibited.
Article 8 When radio stations operating in the 2400MHz, 5100MHz and 5800MHz
frequency bands and holding radio station licenses in accordance with the law are
subject to harmful radio interference, report to the local radio management agency
for coordination and resolution in accordance with the principle of "out-of-band
services give way to within-band services, secondary services give way to primary
services, later users give way to earlier users, and the unplanned give way to the
planned".
Article 9 In principle, radio stations operating in the 2400MHz, 5100MHz and
5800MHz frequency bands that do not require a radio station license cannot make
claims for protection from harmful interference. If they cause harmful interference
to other radio stations that legally hold radio station licenses in the same or
adjacent frequency bands, they shall be ceased immediately and may only
continue to be used after efforts have been made to eliminate the harmful
interference.
Radiocommunication services operating in the 2400MHz and 5800MHz bands
shall also be subject to interference from ISM applications.
Article 10 When there are major national tasks or the state implements radio
control, the setup and use of radio stations, radio transmitting equipment and non-
radio equipment radiating radio waves in the 2400MHz, 5100MHz and 5800MHz
frequency bands must comply with the radio management regulations issued
during the major national tasks, or obey the radio control orders and radio control
instructions issued by the state.
Article 11 Micro-power short-range radio transmitting equipment in the 2400MHz
and 5800MHz frequency bands shall be implemented in accor...