Wireless Telecommunications Bureau (WTB)
- Division of the FCC that regulates wireless communications. Contains databases that assist in identifying frequency information.
- http://wireless.fcc.gov/

USA - Federal Communications Commission (FCC)
- USA telecom regulator - responsible for both telecoms and radio/television media.
- http://www.fcc.gov/

Office of Spectrum Management (OSM)
- Responsible for managing the Federal Government's use of the radio frequency spectrum. Includes technical papers in pdf format and information on training, news, and jobs. Department of the NTIA.
- http://www.ntia.doc.gov/osmhome/osmhome.html

Office of Radio Frequency Management (ORFM)
- Represents the Department of Commerce (DOC) and its various elements in several fora. Includes an overview of services and software tools.
- http://www.orfm.noaa.gov/

Schwaninger & Associates
- Offer representation before the FCC in such matters as auctions, universal licensing, paging, broadcast, microwave, and two-way radios.
- http://www.sa-lawyers.net/

FCC Rules and Regulations
- Provide downloadable versions of the official rules published and maintained in the Federal Register.
- http://www.fcc.gov/oet/info/rules/

FCC Daily_Digest
- Provides a brief synopsis of Commission orders, news releases, speeches, public notices and all other FCC documents that are released each business day.
- http://www.fcc.gov/Daily_Releases/Daily_Digest/

United States ITU Association (USITUA)
- The USITUA is working to improve coordination and cooperation between the private sector and the U.S. Government to enhance U.S. effectiveness in the International Telecommunications Union (ITU).
- http://www.usitua.org/