Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 47 - Telecommunication |
Chapter I - Federal Communications Commission |
SubChapter B - Common Carrier Services |
Part 22 - Public Mobile Services |
Subpart C - Operational and Technical Requirements |
Technical Requirements |
§ 22.355 - Frequency tolerance.
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§ 22.355 Frequency tolerance.
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
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]