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What is Industrial Scientific Medical (ISM) Frequency Bands

Chapter 16
Handbook of Research on Personal Autonomy Technologies and Disability Informatics
The ISM radio bands are a group of frequency ranges originally reserved internationally for the use of RF electromagnetic fields for industrial, scientific and medical purposes other than communications. Due to the initial potential use of these frequencies, all equipments must be protected from interferences at ISM bands. This interference protection is the reason for which nowadays several of these frequencies are used by unlicensed communications devices, like cordless phones.
Published in Chapter:
Wireless Sensor Networks and Systems
Jaime Lloret (Polytechnic University of Valencia, Spain), Miguel Garcia (Polytechnic University of Valencia, Spain), Hugo Coll (Polytechnic University of Valencia, Spain), and Miguel Edo (Polytechnic University of Valencia, Spain)
Copyright: © 2011 |Pages: 13
DOI: 10.4018/978-1-60566-206-0.ch016
Abstract
Sensor networks are one of the most powerful technologies applied to control and supervising systems. They are present in almost all environments, so we can find them in different industrial, medical, security and/or home applications. In addition, the use of wireless technologies applied to sensor networks improves the final system. Examples given are the enlargement of the coverage area and the low deployment costs. Nowadays a combination of both items is used in many common implementations of a wide variety of applications. This chapter is focused on the use of sensor networks applied to disabled and elderly people. We will study the wireless technologies most used for this purpose and we will show a survey with the benefits when they are applied.
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