As used in this part 4, unless the context otherwise requires:

1. (1) Antenna means communications equipment that transmits or receives electromagnetic radio frequency signals used to provide wireless service.
2. (1.5) Broadband facility means any infrastructure used to deliver broadband service or for the provision of broadband service.

3. (2) Broadband service has the same meaning as set forth in 7 U.S.C. sec. 950bb (b)(1) as of August 6, 2014, and for the purposes of this section includes:

   1. (a) Cable service, as defined in 47 U.S.C. sec. 522 (6) as of August 6, 2014;
   2. (b) Telecommunications service, as defined in 47 U.S.C. sec. 153 as of August 6, 2014; and
   3. (c) Wireless service, which means data and telecommunications services, including commercial mobile services, commercial mobile data services, unlicensed wireless services, and common carrier wireless exchange access services, as all of these terms are defined by federal law and regulations.
4. (3) [Editor's note: This version of subsection (3) is effective until January 1, 2026.] Collocation means the mounting or installation of broadband service equipment on a tower, building, or structure with existing broadband service equipment for the purpose of transmitting or receiving radio frequency signals for communications purposes.
5. (3) [Editor's note: This version of subsection (3) is effective January 1, 2026.] Collocate means the mounting or installation of broadband service equipment on a tower, building, or structure with existing broadband service equipment for the purpose of transmitting or receiving radio frequency signals for communications purposes.
6. (3.1) [Editor's note: Subsection (3.1) is effective January 1, 2026.] Collocation application means an application for a collocation that results in a substantial change of an existing wireless telecommunications facility.
7. (3.3) [Editor's note: Subsection (3.3) is effective January 1, 2026.] Local government has the same meaning as set forth in section 29-27-102 (3).
8. (3.5) Micro wireless facility means a small wireless facility that is no larger in dimensions than twenty-four inches in length, fifteen inches in width, and twelve inches in height and that has an exterior antenna, if any, that is no more than eleven inches in length.
9. (3.7) [Editor's note: Subsection (3.7) is effective January 1, 2026.] Siting application means an application for a new wireless service facility.

10. (4)

    1. (a) Small cell facility means either:

       1. (I) A personal wireless service facility as defined by the federal Telecommunications Act of 1996, as amended as of August 6, 2014; or

       2. (II) A wireless service facility that meets both of the following qualifications:

          1. (A) Each antenna is located inside an enclosure of no more than three cubic feet in volume or, in the case of an antenna that has exposed elements, the antenna and all of its exposed elements could fit within an imaginary enclosure of no more than three cubic feet; and
          2. (B) Primary equipment enclosures are no larger than seventeen cubic feet in volume. The following associated equipment may be located outside of the primary equipment enclosure and, if so located, is not included in the calculation of equipment volume: Electric meter, concealment, telecommunications demarcation box, ground-based enclosures, back-up power systems, grounding equipment, power transfer switch, and cut-off switch.
    2. (b) Small cell facility includes a micro wireless facility.
11. (5) Small cell network means a collection of interrelated small cell facilities designed to deliver wireless service.
12. (6) Structure means any facility, tower, pole, building, or other structure constructed for the sole or primary purpose of supporting broadband facilities or wireless service facilities.
13. (6.2) [Editor's note: Subsection (6.2) is effective January 1, 2026.] Substantial change has the same meaning as set forth in 47 CFR 1.6100 (b)(7), which implements the federal Spectrum Act of 2012, 47 U.S.C. sec. 1455 (a).
14. (6.5) Tower means any structure built for the sole or primary purpose of supporting antennas licensed or authorized by the federal communications commission and the antennas' associated facilities, including structures that are constructed for wireless communications services including private, broadcast, and public safety services; unlicensed wireless services; fixed wireless services such as backhaul; and the associated site.
15. (7) [Editor's note: This version of subsection (7) is effective until January 1, 2026.] Wireless service facility means a facility for the provision of wireless services; except that wireless service facility does not include coaxial or fiber-optic cable that is not immediately adjacent to, or directly associated with, a particular antenna.

16. (7) [Editor's note: This version of subsection (7) is effective January 1, 2026.] Wireless service facility or facility means equipment at a fixed location that enables wireless communications between user equipment and a communications network, including:

    1. (a) Macro and small cell facilities, transceivers, antennas, coaxial or fiber-optic cable, regular and backup power supplies, and comparable equipment, regardless of technological configuration, but does not include coaxial or fiber-optic cable that is not immediately adjacent to, or directly associated with, a particular antenna; and
    2. (b) The support structure or improvements on, under, or within which the equipment is collocated.

Source: L. 2014: Entire part added, (HB 14-1327), ch. 149, p. 505, § 2, effective August 6. L. 2017: (1), (4), and (7) amended and (1.5), (3.5), and (6.5) added, (HB 17-1193), ch. 143, p. 474, § 2, effective July 1. L. 2025: (3) and (7) amended and (3.1), (3.3), (3.7), and (6.2) added, (HB 25-1056), ch. 434, p. 2506, § 2, effective January 1, 2026.

Editor's note: Section 6 of chapter 434 (HB 25-1056), Session Laws of Colorado 2025, provides that the act changing this section applies to applications filed on or after January 1, 2026.