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47 CFR 90.635 - Limitations on power and antenna height.

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§ 90.635
Limitations on power and antenna height.
(a) The effective radiated power and antenna height for base stations may not exceed 1 kilowatt (30 dBw) and 304 m. (1,000 ft.) above average terrain (AAT), respectively, or the equivalent thereof as determined from the Table. These are maximum values, and applicants will be required to justify power levels and antenna heights requested.
(b) The maximum output power of the transmitter for mobile stations is 100 watts (20 dBw).
Table—Equivalent Power and Antenna Heights for Base Stations in the 851-869 MHz and 935-940 MHz Bands Which Have a Requirement for a 32 km (20 mi) Service Area Radius
Antenna height (ATT) meters (feet) Effective radiated power (watts) 1,2,4
Above 1,372 (4,500) 65
Above 1,220 (4,000) to 1,372 (4,500) 70
Above 1,067 (3,500) to 1,220 (4,000) 75
Above 915 (3,000) to 1,067 (3,500) 100
Above 763 (2,500) to 915 (3,000) 140
Above 610 (2,000) to 763 (2,500) 200
Above 458 (1,500) to 610 (2,000) 350
Above 305 (1,000) to 458 (1,500) 600
Up to 305 (1,000) 3 1,000
1 Power is given in terms of effective radiated power (ERP).
2 Applicants in the Los Angeles, CA, area who demonstrate a need to serve both the downtown and fringe areas will be permitted to utilize an ERP of 1 kw at the following mountaintop sites: Santiago Park, Sierra Peak, Mount Lukens, and Mount Wilson.
3 Stations with antennas below 305 m (1,000 ft) (AAT) will be restricted to a maximum power of 1 kw (ERP).
4 Licensees in San Diego, CA, will be permitted to utilize an ERP of 500 watts at the following mountaintop sites: Palomar, Otay, Woodson and Miguel.
[70 FR 61062, Oct. 20, 2005]

Title 47 published on 2012-10-01

The following are only the Rules published in the Federal Register after the published date of Title 47.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-04-23; vol. 78 # 78 - Tuesday, April 23, 2013
    1. 78 FR 23855 - Improving Public Safety Communications in the 800 MHz Band; New 800 MHz Band Plan for U.S.-Mexico Sharing Zone
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      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective June 24, 2013.
      47 CFR Part 90

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United States Code
USC : Title 5 - GOVERNMENT ORGANIZATION AND EMPLOYEES

§ 553 - Rule making

USC : Title 47 - TELEGRAPHS, TELEPHONES, AND RADIOTELEGRAPHS

§ 251 - Interconnection

§ 252 - Procedures for negotiation, arbitration, and approval of agreements

§ 307 - Licenses

§ 309 - Application for license

§ 337 - Allocation and assignment of new public safety services licenses and commercial licenses

Title 47 published on 2012-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 47 CFR 90 after this date.

  • 2013-04-24; vol. 78 # 79 - Wednesday, April 24, 2013
    1. 78 FR 24138 - Implementing Public Safety Broadband Provisions of the Middle Class Tax Relief and Job Creation Act of 2012
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      FEDERAL COMMUNICATIONS COMMISSION
      Proposed rule.
      Submit comments on or before May 24, 2013. Submit reply comments on or before June 10, 2013.
      47 CFR Parts 1, 2, 27 and 90