Allocations

 
U.S. Non-Federal-Government Allocations
27 - 27.5 GHz
Inter-satellite 5.536

FCC Rule Parts:
RF Devices (15)

U.S. Federal Government Allocations
27 - 27.5 GHz
FIXED
INTER-SATELLITE 5.536
MOBILE


ITU Region 1 Allocations
27 - 27.5 GHz
FIXED
INTER-SATELLITE 5.536
MOBILE


ITU Region 2 Allocations
27 - 27.5 GHz
FIXED
FIXED-SATELLITE (Earth-to-space)
INTER-SATELLITE 5.536 5.537
MOBILE


ITU Region 3 Allocations
27 - 27.5 GHz
FIXED
FIXED-SATELLITE (Earth-to-space)
INTER-SATELLITE 5.536 5.537
MOBILE


SpectrumWiki


Footnotes


5.536 Use of the 25.25-27.5 GHz band by the inter-satellite service is limited to space research and Earth exploration-satellite applications, and also transmissions of data originating from industrial and medical activities in space.

5.537 Space services using non-geostationary satellites operating in the inter-satellite service in the band 27-27.5 GHz are exempt from the provisions of No. 22.2.

SpectrumWiki

 
Local Multipoint Distribution Service (LMDS)
NASA Deep Space Network (DSN)
NASA Tracking and Data Relay Satellite System (TDRSS)
Unlicensed Level Probing Radars
Airport Body Scanners
2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.5
WRC-19 Agenda Item 1.5


Related Documents, Links, and Multimedia:
FCC Proceeding (5)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 27 GHz 27.25 GHz 27.5 GHz
Wavelength 1.1 cm 1.1 cm 1.1 cm
Band designator(s) SHF; Ka-band (IEEE) SHF; Ka-band (IEEE) SHF; Ka-band (IEEE)
Isotropic collecting area 9.8 mm2 9.6 mm2 9.5 mm2
Free space loss (1 m) 61.1 dB 61.2 dB 61.2 dB
Free space loss (1 km) 121.1 dB 121.2 dB 121.2 dB
Free space loss (10 km) 141.1 dB 141.2 dB 141.2 dB
Free space loss (100 km) 161.1 dB 161.2 dB 161.2 dB
Free space loss (1000 km) 181.1 dB 181.2 dB 181.2 dB
Free space loss
(35,786 km = GEO orbit)
212.2 dB 212.2 dB 212.3 dB
Free space loss (378,370 km = Moon) 232.6 dB 232.7 dB 232.8 dB