# Ultra-Wideband Transmission Systems
> **Federal Communications Commission** · Final rule. · Published 2003-04-22 · Effective 2003-05-22 · 68 FR 19746
## Document
- **Document number:** 03-9879
- **Category:** other
- **Federal Register citation:** 68 FR 19746
- **CFR reference:** 47 CFR 15
- **Publication date:** 2003-04-22
- **Effective date:** 2003-05-22
- **FCC docket:** ET Docket No. 98-153
## Abstract

This document responds to fourteen petitions for reconsideration that were filed in response to the regulations for unlicensed ultra-wideband ("UWB") operation. In general, this document does not make any significant changes to the existing UWB parameters.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/04/22/03-9879/ultra-wideband-transmission-systems)
---
*AI Analytics · CC0 1.0*