The industrial, scientific, and medical (ISM) radio bands were originally reserved internationally for ism band network standards non-commercial use of RF ism band regulations electromagnetic ism band malaysia fields for industrial, scientific ism band and medical purposes.
The ISM bands are defined by ism band malaysia standard the ITU-R in 5.138 and 5.150 ism band radio mesh standard of the Radio Regulations. Individual countries' use of the bands designated ism band regions in these sections may differ due to variations in national radio regulations.
In recent bluetooth uses ism band years they have also been used for license-free error-tolerant communications applications such as wireless ism band dataloggers LANs and Bluetooth:
- 900 MHz band (33.3 cm wavelength)
- 2.4 GHz band (12.2 cm wavelength)
- 5.8 GHz band (5.2 cm wavelength)
IEEE 802.11b/g wireless Ethernet also operates on the 2.4 GHz band.
External links
- 900 MHz vs. 2.4 GHz
- ITU page on definitions of ISM bands
- ITU page on Radio Regulations
- European Radiocommunications Office frequency information system
- In the US, CFR Title 47 Part 18 describes the regulation of the ISM bands.
Electronics Topics
The field of electronics is the study and use of systems that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. The design and construction of electronic circuits to solve practical problems is part of the fields of electronic engineering, and the hardware design side of computer engineering. The study of new semiconductor devices and their technology is sometimes considered as a branch of physics.
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