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§30.4. Frequencies.

47 C.F.R. § 30.4

The following frequencies are available for assignment in the Upper Microwave Flexible Use Service:
(a)
24.25-24.45 GHz and 24.75-25.25 GHz bands—24.25-24.35 GHz; 24.35-24.45 GHz; 24.75-24.85 GHz; 24.85-24.95 GHz; 24.95-25.05 GHz; 25.05-25.15 GHz; and 25.15-25.25 GHz.
(b)
[Reserved]
(c)
27.5 GHz—28.35 GHz band—27.5-27.925 GHz and 27.925-28.35 GHz.
(d)
38.6-40 GHz band:
(1)
New channel plan—
(2)
[Reserved]
(e)
[Reserved]
(f)
37-38.6 GHz band: This band is divided into the Lower 37 GHz band and the Upper 37 GHz band. Lower 37 GHz band channels: 37,000-37,100 MHz, 37,100-37,200 MHz, 37,200-37,300 MHz, 37, 300-37,400 MHz, 37,400-37,500 MHz, 37,500-37,600 MHz. The 37,000-37,600 MHz band segment shall be available on a site-specific, coordinated shared basis with eligible Federal entities. Upper 37 GHz band channels: 37,600-37,700; 37,700-37,800 MHz; 37,800-37,900 MHz; 37,900-38,000 MHz; 38,000-38,100 MHz; 38,100-38,200 MHz; 38,200-38,300 MHz; 38,300-38,400 MHz; 38,400-38,500 MHz, and 38,500-38,600 MHz.
(g)
47.2-48.2 GHz band—47.2-47.3 GHz; 47.3-47.4 GHz; 47.4-47.5 GHz; 47.5-47.6 GHz; 47.6-47.7 GHz; 47.7-47.8 GHz; 47.8-47.9 GHz; 47.9-48.0 GHz; 48.0-48.1 GHz; and 48.1-48.2 GHz.
Notes, amendments, and revision history

Amendments

[81 FR 79937, Nov. 14, 2016, as amended at 83 FR 65, Jan. 2, 2018; 84 FR 1631, Feb. 5, 2019; 90 FR 24760, June 14, 2025; 90 FR 57706, Dec. 12, 2025]

Authority

Authority: 47 U.S.C. 151, 152, 153, 154, 301, 303, 304, 307, 309, 310, 316, 332, 1302, unless otherwise noted.

Source

Source: 81 FR 79937, Nov. 14, 2016, unless otherwise noted.

Amendments

[81 FR 79937, Nov. 14, 2016, as amended at 83 FR 65, Jan. 2, 2018; 84 FR 1631, Feb. 5, 2019; 90 FR 24760, June 14, 2025; 90 FR 57706, Dec. 12, 2025]