StacksVerified U.S. regulatory reference

47 CFR §90.392

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
C-V2X Roadside Units (RSUs) must comply with the following out-of-band emissions limits.
  1. (a)Conducted limits measured at the antenna input must not exceed:
    1. (1)−16 dBm/100 kHz within ±1 megahertz of the band edges;
    2. (2)−13 dBm/MHz within ±1 megahertz to ±5 megahertz of the band edges;
    3. (3)−16 dBm/MHz within ±5 megahertz to ±30 megahertz of the band edges; and
    4. (4)−28 dBm/MHz beyond 30 megahertz from the band edges
  2. (b)[Reserved]