O'Reilly logo

Bluetooth™: Connect Without Cables by Charles F. Sturman, Jennifer Bray

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3 Radio

3.1 Introduction

Bluetooth devices operate in the globally available, unlicensed ISM band situated at 2.4 GHz. This band is reserved for general use by Industrial, Scientific, and Medical (ISM) applications, which obey a basic set of power and spectral emission and interference specifications such as defined by the ETSI ETS 300-328 in Europe or the FCC CFR47 Part 15 in the United States. Although globally available, the ISM band has restrictions in some geographical locations. The SIG is actively lobbying regulatory bodies to harmonise these regulations worldwide and to date has had success with Japan and Spain and positive reactions from France. The situation at the time of publication is described in Table 3–1 and France is due to ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required