47 CFR § 90.392 - C-V2X emissions limits.

---
identifier: "/us/cfr/t47/s90.392"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 90.392 - C-V2X emissions limits."
title_number: 47
title_name: "Telecommunication"
section_number: "90.392"
section_name: "C-V2X emissions limits."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "90"
part_name: "PRIVATE LAND MOBILE RADIO SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473"
regulatory_source: "43 FR 54791, Nov. 22, 1978, unless otherwise noted."
cfr_part: "90"
---


# 90.392 C-V2X emissions limits.

C-V2X Roadside Units (RSUs) must comply with the following out-of-band emissions limits.

(a) Conducted limits measured at the antenna input must not exceed:

(1) −16 dBm/100 kHz within ±1 megahertz of the band edges;

(2) −13 dBm/MHz within ±1 megahertz to ±5 megahertz of the band edges;

(3) −16 dBm/MHz within ±5 megahertz to ±30 megahertz of the band edges; and

(4) −28 dBm/MHz beyond 30 megahertz from the band edges

(b) [Reserved]

[89 FR 100852, Dec. 13, 2024]