Allocations

 
U.S. Non-Federal-Government Allocations
27.5 - 29.5 GHz
FIXED
FIXED-SATELLITE (Earth-to-space)
MOBILE

Relevant FCC Auctions:
Auction 17 (Local Multipoint Distribution Service (LMDS)), $578,663,029
Auction 23 (Local Multipoint Distribution Service (LMDS) Re-Auction), $45,064,450
 Total net auction bids: $623,727,479

U.S. Federal Government Allocations
27.5 - 30 GHz


ITU Region 1 Allocations
27.5 - 28.5 GHz
FIXED 5.537A
FIXED-SATELLITE (Earth-to-space) 5.484A 5.516B 5.539
MOBILE


ITU Region 2 Allocations
27.5 - 28.5 GHz
FIXED 5.537A
FIXED-SATELLITE (Earth-to-space) 5.484A 5.516B 5.539
MOBILE


ITU Region 3 Allocations
27.5 - 28.5 GHz
FIXED 5.537A
FIXED-SATELLITE (Earth-to-space) 5.484A 5.516B 5.539
MOBILE


SpectrumWiki


Footnotes


5.484A The use of the bands 10.95-11.2 GHz (space-to-Earth), 11.45-11.7 GHz (space-to-Earth), 11.7-12.2 GHz (space-to-Earth) in Region 2, 12.2-12.75 GHz (space-to-Earth) in Region 3, 12.5-12.75 GHz (space-to-Earth) in Region 1, 13.75-14.5 GHz (Earth-to-space), 17.8-18.6 GHz (space-to-Earth), 19.7-20.2 GHz (space-to-Earth), 27.5-28.6 GHz (Earth-to-space), 29.5-30 GHz (Earth-to-space) by a non-geostationary-satellite system in the fixed-satellite service is subject to application of the provisions of No. 9.12 for coordination with other non-geostationary-satellite systems in the fixed-satellite service. Non-geostationary-satellite systems in the fixed-satellite service shall not claim protection from geostationary-satellite networks in the fixed-satellite service operating in accordance with the Radio Regulations, irrespective of the dates of receipt by the Bureau of the complete coordination or notification information, as appropriate, for the non-geostationary-satellite systems in the fixed-satellite service and of the complete coordination or notification information, as appropriate, for the geostationary-satellite networks, and No. 5.43A does not apply. Non-geostationary-satellite systems in the fixed-satellite service in the above bands shall be operated in such a way that any unacceptable interference that may occur during their operation shall be rapidly eliminated.

5.516B The following bands are identified for use by high-density applications in the fixed-satellite service:

17.3-17.7 GHz(space-to-Earth) in Region 1,
18.3-19.3 GHz(space-to-Earth) in Region 2,
19.7-20.2 GHz(space-to-Earth) in all Regions,
39.5-40 GHz(space-to-Earth) in Region 1,
40-40.5 GHz(space-to-Earth) in all Regions,
40.5-42 GHz(space-to-Earth) in Region 2,
47.5-47.9 GHz(space-to-Earth) in Region 1,
48.2-48.54 GHz(space-to-Earth) in Region 1,
49.44-50.2 GHz(space-to-Earth) in Region 1,
and
27.5-27.82 GHz(Earth-to-space) in Region 1,
28.35-28.45 GHz(Earth-to-space) in Region 2,
28.45-28.94 GHz(Earth-to-space) in all Regions,
28.94-29.1 GHz(Earth-to-space) in Region 2 and 3,
29.25-29.46 GHz(Earth-to-space) in Region 2,
29.46-30 GHz(Earth-to-space) in all Regions,
48.2-50.2 GHz(Earth-to-space) in Region 2.

This identification does not preclude the use of these bands by other fixed-satellite service applications or by other services to which these bands are allocated on a co-primary basis and does not establish priority in these Regulations among users of the bands. Administrations should take this into account when considering regulatory provisions in relation to these bands. See Resolution 143 (WRC-03).

5.537A In Bhutan, Cameroon, Korea (Rep. of), the Russian Federation, India, Indonesia, Iran (Islamic Republic of), Japan, Kazakhstan, Lesotho, Malaysia, Maldives, Mongolia, Myanmar, Uzbekistan, Pakistan, the Philippines, Kyrgyzstan, the Dem. People's Rep. of Korea, Sri Lanka, Thailand and Viet Nam, the allocation to the fixed service in the band 27.9-28.2 GHz may also be used by high altitude platform stations (HAPS) within the territory of these countries. Such use of 300 MHz of the fixed service allocation by HAPS in the above countries is further limited to operation in the HAPS to-ground direction and shall not cause harmful interference to, nor claim protection from, other types of fixed-service systems or other co primary services. Furthermore, the development of these other services shall not be constrained by HAPS. See Resolution 145 (Rev.WRC-07). (WRC-07)

5.538 Additional allocation: :the bands 27.500-27.501 GHz and 29.999-30.000 GHz are also allocated to the fixed-satellite service (space to Earth) on a primary basis for the beacon transmissions intended for up-link power control. Such space-to-Earth transmissions shall not exceed an equivalent isotropically radiated power (e.i.r.p.) of +10 dBW in the direction of adjacent satellites on the geostationary-satellite orbit. (WRC-07)

5.539 The band 27.5-30 GHz may be used by the fixed-satellite service (Earth-to-space) for the provision of feeder links for the broadcasting-satellite service.

5.540 Additional allocation: the band 27.501-29.999 GHz is also allocated to the fixed-satellite service (space-to-Earth) on a secondary basis for beacon transmissions intended for up-link power control.


SpectrumWiki

 
Iridium
ViaSat-1 Ka-band Satellite
Hughes Network Systems EchoStar XVII (Jupiter-1)
Mobile User Objective System (MUOS)
Local Multipoint Distribution Service (LMDS)
NASA Tracking and Data Relay Satellite System (TDRSS)
Wideband Global SATCOM (WGS) System
Other 3 billion (03b) Networks
Unlicensed Level Probing Radars
Airport Body Scanners
High Altitude Platform Station (HAPS)
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.5
WRC-19 Agenda Item 1.5


Related Documents, Links, and Multimedia:
FCC Proceeding (4)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 27.5 GHz 28.75 GHz 30 GHz
Wavelength 1.1 cm 1.0 cm 10.0 mm
Band designator(s) SHF; Ka-band (IEEE) SHF; Ka-band (IEEE) EHF (millimeter wave); Ka-band (IEEE)
Isotropic collecting area 9.5 mm2 8.7 mm2 7.9 mm2
Free space loss (1 m) 61.2 dB 61.6 dB 61.5 dB
Free space loss (1 km) 121.2 dB 121.6 dB 121.5 dB
Free space loss (10 km) 141.2 dB 141.6 dB 141.5 dB
Free space loss (100 km) 161.2 dB 161.6 dB 161.5 dB
Free space loss (1000 km) 181.2 dB 181.6 dB 181.5 dB
Free space loss
(35,786 km = GEO orbit)
212.3 dB 212.7 dB 212.6 dB
Free space loss (378,370 km = Moon) 232.8 dB 233.2 dB 233.1 dB