---
kind: "section"
citation: "47 C.F.R. § 90.393"
title: "47"
number: "90.393"
heading: "RSU sites near the U.S./Canada or U.S./Mexico border."
url: "https://uscodex.org/cfr/47/90.393"
---

# §90.393. RSU sites near the U.S./Canada or U.S./Mexico border.


Until such time as agreements between the United States and Canada or the United States and Mexico, as applicable, become effective governing border area use of the 5895-5925 MHz band, authorizations to operate Roadside Units (RSUs) are granted subject to the following conditions:

- (a) RSUs must not cause harmful interference to stations in Canada or Mexico that are licensed in accordance with the international table of frequency allocations for Region 2 (see [§ 2.106](/cfr/47/2.106.md) of this chapter) and must accept any interference that may be caused by such stations.
- (b) Authority to operate RSUs is subject to modifications and future agreements between the United States and Canada or the United States and Mexico, as applicable.

## Notes

### Amendments

[89 FR 100852, Dec. 13, 2024]

### Source

Source: 89 FR 100852, Dec. 13, 2024, unless otherwise noted.

### Source

Source: 60 FR 15253, Mar. 23, 1995, unless otherwise noted.

### Authority

Authority: 47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473

### Source

Source: 43 FR 54791, Nov. 22, 1978, unless otherwise noted.

### Amendments

[89 FR 100852, Dec. 13, 2024]
