---
kind: "section"
citation: "47 C.F.R. § 95.3167"
title: "47"
number: "95.3167"
heading: "OBU transmit power limit."
url: "https://uscodex.org/cfr/47/95.3167"
---

# §95.3167. OBU transmit power limit.

- (a) The maximum output power for portable DSRCS On-Board Unit (OBU) transmitter types is 1.0 mW.
- (b) The power limits in [paragraph (a)](#a) of this section may be referenced to the antenna input, so that cable losses are taken into account.
- (c) For purposes of this section, a portable unit is a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user.

## Notes

### Amendments

[86 FR 23299, May 3, 2021]

### Authority

Authority: 47 U.S.C. 154, 303, 307.

### Source

Source: 82 FR 41104, Aug. 29, 2017, unless otherwise noted.

### Amendments

[86 FR 23299, May 3, 2021]