SpectrumWiki

Radio spectrum allocations

Look up a frequency or a range.

Examples: 88.5 MHz, 1350–1430 MHz, 2.4 GHz

5.85 GHz (5,850,000,000 Hz)

U.S. Non-Federal-Government Allocations

5850 – 5925 MHz

FIXED-SATELLITE (Earth-to-space) US245

MOBILE NG160

Amateur

5.150

FCC rule parts

U.S. Federal Government Allocations

5650 – 5925 MHz

RADIOLOCATION G2

5.150 US245

ITU Region 1 Allocations

5850 – 5925 MHz

FIXED

FIXED-SATELLITE (Earth-to-space)

MOBILE

5.150

ITU Region 2 Allocations

5850 – 5925 MHz

FIXED

FIXED-SATELLITE (Earth-to-space)

MOBILE

Amateur

Radiolocation

5.150

ITU Region 3 Allocations

5850 – 5925 MHz

FIXED

FIXED-SATELLITE (Earth-to-space)

MOBILE

Radiolocation

5.150

Footnotes

5.150 The following bands:
are also designated for industrial, scientific and medical (ISM) applications. Radiocommunication services operating within these bands must accept harmful interference which may be caused by these applications. ISM equipment operating in these bands is subject to the provisions of No. 15.13.
G2 In the bands 216.965-216.995 MHz, 420-450 MHz (except as provided for in G129), 890-902 MHz, 928-942 MHz, 1300-1390 MHz, 2310-2390 MHz, 2417-2450 MHz, 2700-2900 MHz, 3300-3500 MHz, 5650-5925 MHz, and 9000-9200 MHz, use of the Federal radiolocation service is restricted to the military services.
NG160 In the band 5895-5925 MHz, the use of the non-Federal mobile service is limited to operations in the Intelligent Transportation System radio service.
US245 In the bands 3600-3650 MHz (space-to-Earth), 4500-4800 MHz (space-to-Earth), and 5850-5925 MHz (Earth-to-space), the use of the non-Federal fixed-satellite service is limited to international inter-continental systems and is subject to case-by-case electromagnetic compatibility analysis. The FCC's policy for these bands is codified at 47 CFR 2.108.

Wiki entries

2019 World Radiocommunication Conference (WRC-19) Agenda Item 1.16

Proposed Use 5150–5925 MHz WRC-19 Agenda Item 1.16

1.16 to consider issues related to wireless access systems, including radio local area networks (WAS/RLAN), in the frequency bands between 5 150 MHz and 5 925 MHz, and take the appropriate regulatory actions, including additional spectrum allocations to the mobile service, in accordance with Resolution 239 [COM6/22] (WRC-15);

SPN-50(V)1 radar

Current Use 5400–5900 MHz SPN-50(V)1 radar

The SPN-50(V)1 radar, built by Saab, is planned to replace the existing SPN-43C air traffic control radar on U.S. Navy Nimitz-class aircraft carriers and amphibious assault ships. The SPN-43C radar is capable of operating in the 3500-3700 MHz band.

802.11/WLAN/Wi-Fi/WiGig

Current Use 5470–5895 MHz Wireless LANs (U-NII-2C, U-NII-3, U-NII-4)

Wireless LANS utilize various channels in the 2.4, 5, and 6 GHz bands (multiple countries), and (in theory) the 3.6 GHz band (U.S. only). For a list of which channels are available in which regions, refer to the Wikipedia article.

Wi-Fi is a trademark permitted for devices that are based upon a published standard of the IEEE 802.11 committee and that have been certified by the Wi-Fi Alliance. Wi-Fi is presently incorporated in about three billion devices. Wireless cash registers were one of the earliest applications of what is now Wi-Fi.

Wi-Fi devices operate on an unlicensed basis, generally meaning they cannot cause interference to licensed services, and must accept any interference caused to them. Wi-Fi shares bands with other unlicensed or ISM devices, such as cordless phones at 2.4 and 5.8 GHz and microwave ovens at 2.4 GHz.

Some of the key patents related to Wi-Fi are credited (in the courts at least) to the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia, which has collected over $400 million in royalties and legal settlements over patent rights.

Google Project Loon

Current Use 5725–5875 MHz Project Loon

Starting in June 2013, Google is experimenting with bringing broadband Internet service to remote areas through the use of high-altitude balloons. The service uses the 2.4 and 5.8 GHz ISM bands for both service and backhaul. Google is first experimenting with the service in New Zealand, and claims that 3G-like speeds are achievable.

More information is available on the Google Project Loon Web site (link below)

Industrial, Scientific, and Medical Devices (ISM, FCC Part 18)

Current Use 5725–5875 MHz ISM

Part 18 (section 18.301) of the FCC rules designate certain bands for high-power Industrial, Scientific, and Medical (ISM) devices. These devices generate significant radio energy, but not for telecommunications purposes. Examples includes microwave ovens, industrial heaters, medical diathermy, jewelry cleaners, and RFID tags.

ISM devices may be operated in most frequency bands subject to strict power limits, but are allowed unlimited power in these eleven specially-designated ISM bands.

Radiofrequency Identification (RFID)

Current Use 5725–5875 MHz RFID

An RFID system consists of an interrogator and a transponder, and is used for identification and data capture. RFID systems are used for a very wide range of applications, including:

Highway tolls
Vehicle tracking
Container tracking
Inventory control & theft prevention (often used to prevent shoplifting)
Healthcare (patient & drug tracking)
Passports
ID cards
Building entry
Livestock & pet tracking

and numerous other applications.

RFID tags can be extremely small devices with little or no internal power, which respond to an interrogation by utilizing some of the RF energy imparted by the interrogator; or they can be larger powered units that can be interrogated over larger distances.

The ITU is in the process of attempting to harmonize RFID bands, since RFID systems are used for global commerce. ITU Study Group 1 (Working Party 1B) is drafting a new ITU-R Recommendation on RFID.

ISO/IEC18000 is the principal standard for the RFID air interface.

RFID systems typically operate in ISM and unlicensed bands.

The bands listed below represent the totality of the various bands presently used around the world. The exact bands used in specific countries may vary (and is what the ITU is attempting to harmonize).

Dedicated Short Range Communications (DSRC)

Current Use 5850–5925 MHz Dedicated Short Range Communications (DSRC) service

According to the U.S. Department of Transportation:

DSRC (Dedicated Short Range Communications) is a two-way short- to- medium-range wireless communications capability that permits very high data transmission critical in communications-based active safety applications. In Report and Order FCC-03-324, the Federal Communications Commission (FCC) allocated 75 MHz of spectrum in the 5.9 GHz band for use by Intelligent Transportations Systems (ITS) vehicle safety and mobility applications.

DSRC is a component of the Intelligent Transportation Systems (ITS) radio service.