Allocations

 
U.S. Non-Federal-Government Allocations
22.5 - 22.55 GHz
FIXED
MOBILE

FCC Rule Parts:
Fixed Microwave (101)

U.S. Federal Government Allocations
22.5 - 22.55 GHz
FIXED
MOBILE


ITU Region 1 Allocations
22.5 - 22.55 GHz
FIXED
MOBILE


ITU Region 2 Allocations
22.5 - 22.55 GHz
FIXED
MOBILE


ITU Region 3 Allocations
22.5 - 22.55 GHz
FIXED
MOBILE


SpectrumWiki


Footnotes


US211 In the bands 1670-1690, 5000-5250 MHz and 10.7-11.7, 15.1365-15.35, 15.4-15.7, 22.5-22.55, 24-24.05, 31.0-31.3, 31.8-32.0, 40.5-42.5, 116-122.25, 123-130, 158.5-164, 167-168, 191.8-200, and 252-265 GHz, applicants for airborne or space station assignments are urged to take all practicable steps to protect radio astronomy observations in the adjacent bands from harmful interference; however, US74 applies.

SpectrumWiki

 
Iridium
Common Carrier Fixed Point-to-Point Microwave
Possible MSS Allocations (WRC-15 Agenda Item 1.10)


Related Documents, Links, and Multimedia:
FCC Proceeding (1)
Legislation (1)
Other (1)

Engineering Data

Lower Frequency Center Frequency Upper Frequency
Frequency 22.5 GHz 22.525 GHz 22.55 GHz
Wavelength 1.3 cm 1.3 cm 1.3 cm
Band designator(s) SHF; K-band (IEEE) SHF; K-band (IEEE) SHF; K-band (IEEE)
Isotropic collecting area 0.1 cm2 0.1 cm2 0.1 cm2
Free space loss (1 m) 59.5 dB 59.5 dB 59.5 dB
Free space loss (1 km) 119.5 dB 119.5 dB 119.5 dB
Free space loss (10 km) 139.5 dB 139.5 dB 139.5 dB
Free space loss (100 km) 159.5 dB 159.5 dB 159.5 dB
Free space loss (1000 km) 179.5 dB 179.5 dB 179.5 dB
Free space loss
(35,786 km = GEO orbit)
210.6 dB 210.6 dB 210.6 dB
Free space loss (378,370 km = Moon) 231.1 dB 231.1 dB 231.1 dB