Allocations

 
U.S. Non-Federal-Government Allocations
6425 - 6525 MHz
FIXED-SATELLITE (Earth-to-space)
MOBILE


U.S. Federal Government Allocations
6425 - 6525 MHz


ITU Region 1 Allocations
5925 - 6700 MHz
FIXED 5.457
FIXED-SATELLITE (Earth-to-space) 5.457A 5.457B
MOBILE 5.457C


ITU Region 2 Allocations
5925 - 6700 MHz
FIXED 5.457
FIXED-SATELLITE (Earth-to-space) 5.457A 5.457B
MOBILE 5.457C


ITU Region 3 Allocations
5925 - 6700 MHz
FIXED 5.457
FIXED-SATELLITE (Earth-to-space) 5.457A 5.457B
MOBILE 5.457C


SpectrumWiki


Footnotes


5.149 In making assignments to stations of other services to which the bands:

13360-13410 kHz,22.81-22.86 GHz,
25550-25670 kHz,23.07-23.12 GHz,
37.5-38.25 MHz,31.2-31.3 GHz,
73-74.6 MHz31.5-31.8 GHz
  in Regions 1 and 3,  in Regions 1 and 3,
150.05-153 MHz36.43-36.5 GHz,
  in Region 1,42.5-43.5 GHz,
322-328.6 MHz,48.94-49.04 GHz,
406.1-410 MHz,76-86 GHz,
608-614 MHz in92-94 GHz,
  Regions 1 and 3,94.1-100 GHz,
1330-1400 MHz,102-109.5 GHz,
1610.6-1613.8 MHz,111.8-114.25 GHz,
1660-1670 MHz,128.33-128.59 GHz,
1718.8-1722.2 MHz,129.23-129.49 GHz,
2655-2690 MHz,130-134 GHz,
3260-3267 MHz,136-148.5 GHz,
3332-3339 MHz,151.5-158.5 GHz,
3345.8-3352.5 MHz,168.59-168.93 GHz,
4825-4835 MHz,171.11-171.45 GHz,
4950-4990 MHz,172.31-172.65 GHz,
4990-5000 MHz,173.52-173.85 GHz,
6650-6675.2 MHz,195.75-196.15 GHz,
10.6-10.68 GHz,209-226 GHz,
14.47-14.5 GHz,241-250 GHz,
22.01-22.21 GHz,252-275 GHz
22.21-22.5 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)

5.440 The standard frequency and time signal-satellite service may be authorized to use the frequency 4202 MHz for space-to-Earth transmissions and the frequency 6427 MHz for Earth-to-space transmissions. Such transmissions shall be confined within the limits of ± 2 MHz of these frequencies, subject to agreement obtained under No. 9.21.

5.457 In Australia, Burkina Faso, Cote d'Ivoire, Mali and Nigeria, the allocation to the fixed service in the bands 6440-6520 MHz (HAPS-to-ground direction) and 6560-6640 MHz (ground-to-HAPS direction) may also be used by gateway links for high-altitude platform stations (HAPS) within the territory of these countries. Such use is limited to operation in HAPS gateway links and shall not cause harmful interference to, and shall not claim protection from, existing services, and shall be in compliance with Resolution 150 (WRC-12). Existing services shall not be constrained in future development by HAPS gateway links. The use of HAPS gateway links in these bands requires explicit agreement with other administrations whose territories are located within 1000 kilometres from the border of an administration intending to use the HAPS gateway links. (WRC-12)

5.457A In the bands 5925-6425 MHz and 14-14.5 GHz, earth stations located on board vessels may communicate with space stations of the fixed-satellite service. Such use shall be in accordance with Resolution 902 (WRC-03).

5.457B In the bands 5925-6425 MHz and 14-14.5 GHz, earth stations located on board vessels may operate with the characteristics and under the conditions contained in Resolution 902 (WRC-03) in Algeria, Saudi Arabia, Bahrain, Comoros, Djibouti, Egypt, United Arab Emirates, Jordan, Kuwait, Libya, Morocco, Mauritania, Oman, Qatar, the Syrian Arab Republic, Sudan, South Sudan, Tunisia and Yemen, in the maritime mobile-satellite service on a secondary basis. Such use shall be in accordance with Resolution 902 (WRC-03). (WRC-12)

5.457C In Region 2 (except Brazil, Cuba, French overseas departments and communities, Guatemala, Paraguay, Uruguay and Venezuela), the band 5925-6700 MHz may be used for aeronautical mobile telemetry for flight testing by aircraft stations (see No. 1.83). Such use shall be in accordance with Resolution 416 (WRC-07) and shall not cause harmful interference to, nor claim protection from, the fixed-satellite and fixed services. Any such use does not preclude the use of this band by other mobile service applications or by other services to which this band is allocated on a co-primary basis and does not establish priority in the Radio Regulations. (WRC-07)

5.458 In the band 6425-7075 MHz, passive microwave sensor measurements are carried out over the oceans. In the band 7075-7250 MHz, passive microwave sensor measurements are carried out. Administrations should bear in mind the needs of the Earth exploration-satellite (passive) and space research (passive) services in their future planning of the bands 6425-7025 MHz and 7075-7250 MHz.


SpectrumWiki

 
6 GHz Fixed Service Band
Common Carrier Fixed Point-to-Point Microwave
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.16
Geostationary Fixed Satellite Service (GSO FSS)
Unlicensed Level Probing Radars
Dedicated Short Range Communications (DSRC)
Wideband Systems under 15.250
High Altitude Platform Station (HAPS)


Related Documents, Links, and Multimedia:
FCC Proceeding (4)
White Paper (1)
Band Plan (1)
Legislation (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 5.925 GHz 6.3125 GHz 6.7 GHz
Wavelength 5.1 cm 4.7 cm 4.5 cm
Band designator(s) SHF; C-band (IEEE) SHF; C-band (IEEE) SHF; C-band (IEEE)
Isotropic collecting area 2.0 cm2 1.8 cm2 1.6 cm2
Free space loss (1 m) 47.9 dB 48.5 dB 49.0 dB
Free space loss (1 km) 107.9 dB 108.5 dB 109.0 dB
Free space loss (10 km) 127.9 dB 128.5 dB 129.0 dB
Free space loss (100 km) 147.9 dB 148.5 dB 149.0 dB
Free space loss (1000 km) 167.9 dB 168.5 dB 169.0 dB
Free space loss
(35,786 km = GEO orbit)
199.0 dB 199.5 dB 200.0 dB
Free space loss (378,370 km = Moon) 219.5 dB 220.0 dB 220.5 dB