47 CFR § 22.355
Frequency tolerance
February 16, 2021
Except as otherwise provided in this part, the carrier frequency of each transmitter in the Public Mobile Services must be maintained within the tolerances given in Table C-1 of this section.
Table C-1—Frequency Tolerance for Transmitters in the Public Mobile Services
Open Table
Frequency range (MHz) | Base, fixed (ppm) |
Mobile >3 watts (ppm) |
Mobile ≤3 watts (ppm) |
---|---|---|---|
25 to 50 | 20.0 | 20.0 | 50.0 |
50 to 450 | 5.0 | 5.0 | 50.0 |
450 to 512 | 2.5 | 5.0 | 5.0 |
821 to 896 | 1.5 | 2.5 | 2.5 |
928 to 929 | 5.0 | n/a | n/a |
929 to 960 | 1.5 | n/a | n/a |
2110 to 2220 | 10.0 | n/a | n/a |
[61 FR 54099, Oct. 17, 1996]