---
kind: "section"
citation: "47 C.F.R. § 5.3"
title: "47"
number: "5.3"
heading: "Scope of service."
url: "https://uscodex.org/cfr/47/5.3"
---

# §5.3. Scope of service.


Stations operating in the Experimental Radio Service will be permitted to conduct the following type of operations:

- (a) **Experimentations in scientific or technical radio research.**
- (b) **Experimentations in the broadcast services.**
- (c) Experimentations under contractual agreement with the United States Government, or for export purposes.
- (d) **Communications essential to a research project.**
- (e) **Technical demonstrations of equipment or techniques.**
- (f) **Field strength surveys.**
- (g) Demonstration of equipment to prospective purchasers by persons engaged in the business of selling radio equipment.
- (h) **Testing of equipment in connection with production or regulatory approval of such equipment.**
- (i) Testing of medical devices that use RF wireless technology or communications functions for diagnosis, treatment, or patient monitoring.
- (j) Development of radio technique, equipment, operational data or engineering data, including field or factory testing or calibration of equipment, related to an existing or proposed radio service.
- (k) **Product development and market trials.**
- (l) **Marketing of equipment designed to operate only on frequencies above 95 GHz.**
- (m) Types of experiments that are not specifically covered under [paragraphs (a) through (l)](#a..l) of this section will be considered upon demonstration of need for such additional types of experiments.

## Notes

### Amendments

[78 FR 25162, Apr. 29, 2013, as amended at 84 FR 25690, June 4, 2019]

### Authority

Authority: 47 U.S.C. 154, 301, 302, 303, 307, 336.

### Source

Source: 78 FR 25162, Apr. 29, 2013, unless otherwise noted.

### Amendments

[78 FR 25162, Apr. 29, 2013, as amended at 84 FR 25690, June 4, 2019]