Frequency Bands / ITU RR table: 119.98-151.5 GHz

ITU RR table: 119.98-151.5 GHz

119.98 – 151.5 GHz WRC-27 AI

On the WRC-27 agenda

This band — or part of it — is under study for the 2027 World Radiocommunication Conference. The agenda items below address it:

Allocation Changes Timeline

Regulatory changes made to this frequency band at each World Radiocommunication Conference.

15

WRC-15

Footnote revised

128 – 130 GHz

WRC-15: Footnote 5.562D revised (Additional allocation)

Footnote text

5.562D Additional allocation: In Korea (Rep. of), the frequency bands 128-130 GHz, 171-171.6 GHz, 172.2-172.8 GHz and 173.3-174 GHz are also allocated to the radio astronomy service on a primary basis. Radio astronomy stations in Korea (Rep. of) operating in the frequency bands referred to in this footnote shall not claim protection from, or constrain the use and development of, services in other countries operating in accordance with the Radio Regulations. (WRC-15)

03

WRC-03

Footnote revised

119.98 – 151.5 GHz

WRC-03: Footnote 5.340 revised (Condition)

Footnote text

5.340 All emissions are prohibited in the following bands: 1 400-1 427 MHz, 2 690-2 700 MHz, except those provided for by No. 5.422, 10.68-10.7 GHz, except those provided for by No. 5.483, 15.35-15.4 GHz, except those provided for by No. 5.511, 23.6-24 GHz, 31.3-31.5 GHz, 31.5-31.8 GHz, in Region 2, 48.94-49.04 GHz, from airborne stations 50.2-50.4 GHz2, 52.6-54.25 GHz, 86-92 GHz, 100-102 GHz, 109.5-111.8 GHz, 114.25-116 GHz, 148.5-151.5 GHz, 164-167 GHz, 182-185 GHz, 190-191.8 GHz, 200-209 GHz, 226-231.5 GHz, 250-252 GHz. (WRC-03)

00

WRC-2000

Footnote created

116.0 – 122.25 GHz

WRC-2000: Footnote 5.562C created (Condition)

Footnote text

5.562C Use of the band 116-122.25 GHz by the inter-satellite service is limited to satellites in the geostationary-satellite orbit. The single-entry power flux-density produced by a station in the inter-satellite service, for all conditions and for all methods of modulation, at all altitudes from 0 km to 1 000 km above the Earth’s surface and in the vicinity of all geostationary orbital positions occupied by passive sensors, shall not exceed –148 dB(W/(m2 · MHz)) for all angles of arrival. (WRC-2000)

Footnote revised

119.98 – 151.5 GHz

WRC-2000: Footnote 5.340 revised (Condition)

Footnote text

5.340 All emissions are prohibited in the following bands: 1 400-1 427 MHz, 2 690-2 700 MHz, except those provided for by Nos. S5.421 and S5.422, 10.68-10.7 GHz, except those provided for by No. S5.483, 15.35-15.4 GHz, except those provided for by No. S5.511, 23.6-24 GHz, 31.3-31.5 GHz, 31.5-31.8 GHz, in Region 2, 48.94-49.04 GHz, from airborne stations, 50.2-50.4 GHz2, except those provided for by No. S5.555A, 52.6-54.25 GHz, 86-92 GHz, 100-102 GHz, 109.5-111.8 GHz, 114.25-116 GHz, 148.5-151.5 GHz, 164-167 GHz, 182-185 GHz, except those provided for by No. S5.563, 190-191.8 GHz, 200-209 GHz, 226-231.5 GHz, 250-252 GHz.

Footnote revised

123 – 130 GHz

WRC-2000: Footnote 5.554 revised (Condition)

Footnote text

5.554 In the bands 43.5-47 GHz, 66-71 GHz, 95-100 GHz, 123-130 GHz, 191.8-200 GHz and 252-265 GHz, satellite links connecting land stations at specified fixed points are also authorized when used in conjunction with the mobile-satellite service or the radionavigation-satellite service. (WRC-2000)

Footnote created

128 – 130 GHz

WRC-2000: Footnote 5.562D created (Additional allocation)

Footnote text

5.562D Additional allocation: In Korea (Rep. of), the bands 128-130 GHz, 171-171.6 GHz, 172.2-172.8 GHz and 173.3-174 GHz are also allocated to the radio astronomy service on a primary basis until 2015. (WRC-2000)

Footnote revised

128.33 – 128.59 GHz

WRC-2000: Footnote 5.149 revised (Condition)

Footnote text

5.149 In making assignments to stations of other services to which the bands: 13 360-13 410 kHz, 25 550-25 670 kHz, 37.5-38.25 MHz, 73-74.6 MHz in Regions 1 and 3, 150.05-153 MHz in Region 1, 322-328.6 MHz, 406.1-410 MHz, 608-614 MHz in Regions 1 and 3, 1 330-1 400 MHz, 1 610.6-1 613.8 MHz, 1 660-1 670 MHz, 1 718.8-1 722.2 MHz, 2 655-2 690 MHz, 3 260-3 267 MHz, 3 332-3 339 MHz, 3 345.8-3 352.5 MHz, 4 825-4 835 MHz, 4 950-4 990 MHz, 4 990-5 000 MHz, 6 650-6 675.2 MHz, 10.6-10.68 GHz, 14.47-14.5 GHz, 22.01-22.21 GHz, 22.21-22.5 GHz, 22.81-22.86 GHz, 23.07-23.12 GHz, 31.2-31.3 GHz, 31.5-31.8 GHz in Regions 1 and 3, 36.43-36.5 GHz, 42.5-43.5 GHz, 48.94-49.04 GHz, 76-86 GHz, 92-94 GHz, 94.1-100 GHz, 102-109.5 GHz, 111.8-114.25 GHz, 128.33-128.59 GHz, 129.23-129.49 GHz, 130-134 GHz, 136-148.5 GHz, 151.5-158.5 GHz, 168.59-168.93 GHz, 171.11-171.45 GHz, 172.31-172.65 GHz, 173.52-173.85 GHz, 195.75-196.15 GHz, 209-226 GHz, 241-250 GHz, 252-275 GHz are allocated, administrations are urged to take all practicable steps to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see Nos. 4.5 and 4.6 and Article 29). (WRC-07)

Footnote revised

130 – 134 GHz

WRC-2000: Footnote 5.558 revised (Condition)

Footnote text

5.558 In the bands 55.78-58.2 GHz, 59-64 GHz, 66-71 GHz, 122.25-123 GHz, 130-134 GHz, 167-174.8 GHz and 191.8-200 GHz, stations in the aeronautical mobile service may be operated subject to not causing harmful interference to the inter-satellite service (see No. 5.43). (WRC-2000)

Footnote created

130 – 134 GHz

WRC-2000: Footnote 5.562A created (Condition)

Footnote text

5.562A In the bands 94-94.1 GHz and 130-134 GHz, transmissions from space stations of the Earth exploration-satellite service (active) that are directed into the main beam of a radio astronomy antenna have the potential to damage some radio astronomy receivers. Space agencies operating the transmitters and the radio astronomy stations concerned should mutually plan their operations so as to avoid such occurrences to the maximum extent possible. (WRC-2000)

Footnote created

133.5 – 134.0 GHz

WRC-2000: Footnote 5.562E created (Condition)

Footnote text

5.562E The allocation to the Earth exploration-satellite service (active) is limited to the band 133.5-134 GHz. (WRC-2000)

97

WRC-97

Footnote revised

116 – 134 GHz

WRC-97: Footnote 5.558 revised (Condition)

Footnote text

5.558 In the bands 55.78-58.2 GHz, 59-64 GHz, 66-71 GHz, 116-134 GHz, 170-182 GHz and 185-190 GHz, stations in the aeronautical mobile service may be operated subject to not causing harmful interference to the inter-satellite service (see No. S5.43).

Footnote revised

119.98 – 151.5 GHz

WRC-97: Footnote 5.340 revised (Condition)

Footnote text

5.340 All emissions are prohibited in the following bands: 1 400-1 427 MHz, 2 690-2 700 MHz except those provided for by Nos. S5.421 and S5.422, 10.68-10.7 GHz except those provided for by No. S5.483, 15.35-15.4 GHz except those provided for by No. S5.511, 23.6-24 GHz, 31.3-31.5 GHz, 31.5-31.8 GHz in Region 2, 48.94-49.04 GHz from airborne stations, 50.2-50.4 GHz1 except those provided for by No. S5.555A, 52.6-54.25 GHz, 86-92 GHz, 105-116 GHz, 140.69-140.98 GHz from airborne stations and from space stations in the space-to-Earth direction, 182-185 GHz except those provided for by No. S5.563, 217-231 GHz.

Footnote created

119.98 – 151.5 GHz

WRC-97: Footnote 5.340 created (Condition)

Footnote text

5.340 All emissions are prohibited in the following bands: 1 400-1 427 MHz, 2 690-2 700 MHz except those provided for by Nos. S5.421 and S5.422, 10.68-10.7 GHz except those provided for by No. S5.483, 15.35-15.4 GHz except those provided for by No. S5.511, 23.6-24 GHz, 31.3-31.5 GHz, 31.5-31.8 GHz in Region 2, 48.94-49.04 GHz from airborne stations, 50.2-50.4 GHz1 except those provided for by No. S5.555A, 52.6-54.25 GHz, 86-92 GHz, 105-116 GHz, 140.69-140.98 GHz from airborne stations and from space stations in the space-to-Earth direction, 182-185 GHz except those provided for by No. S5.563, 217-231 GHz.

Footnote revised

145.45 – 145.75 GHz

WRC-97: Footnote 5.149 revised (Condition)

Footnote text

5.149 In making assignments to stations of other services to which the bands: 13 360-13 410 kHz, 4 950-4 990 MHz, 97.88-98.08 GHz*, 25 550-25 670 kHz, 4 990-5 000 MHz, 140.69-140.98 GHz*, 37.5-38.25 MHz, 6 650-6 675.2 MHz*, 144.68-144.98 GHz*, 73-74.6 MHz in 10.6-10.68 GHz, 145.45-145.75 GHz*, Regions 1 and 3, 14.47-14.5 GHz*, 146.82-147.12 GHz*, 150.05-153 MHz in 22.01-22.21 GHz*, 150-151 GHz*, Region 1, 22.21-22.5 GHz, 174.42-175.02 GHz*, 322-328.6 MHz*, 22.81-22.86 GHz*, 177-177.4 GHz*, 406.1-410 MHz, 23.07-23.12 GHz*, 178.2-178.6 GHz*, 608-614 MHz in Regions 1 and 3, 31.2-31.3 GHz, 181-181.46 GHz*, 1 330-1 400 MHz*, 31.5-31.8 GHz in 186.2-186.6 GHz*, Regions 1 and 3, 250-251 GHz*, 1 610.6-1 613.8 MHz*, 36.43-36.5 GHz*, 257.5-258 GHz*, 1 660-1 670 MHz, 42.5-43.5 GHz, 261-265 GHz,

Source: ITU Radio Regulations, editions of 2008, 2012, 2016, 2020 and 2024. The English, French and Spanish texts are each taken from the official edition in that language, not translated from one another. Sources and citation.