# Cognitive Radio Technologies and Software Defined Radios
> **Federal Communications Commission** · Final rule. · Published 2010-03-08 · Effective 2010-04-07 · 75 FR 10439
## Document
- **Document number:** 2010-4855
- **Category:** other
- **Federal Register citation:** 75 FR 10439
- **CFR reference:** 47 CFR 2
- **Publication date:** 2010-03-08
- **Effective date:** 2010-04-07
- **FCC docket:** ET Docket No. 03-108
## Abstract

This document dismisses a petition for reconsideration filed by the SDR Forum requesting that the Commission modify the policy statements it made in the Memorandum Opinion and Order (MO&O) in this proceeding concerning the use of open source software to implement security features in software defined radios (SDRs). While, the Commission dismisses this petition on procedural grounds, it also provides clarification concerning the issues raised therein.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/03/08/2010-4855/cognitive-radio-technologies-and-software-defined-radios)
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