ISM Band: Industrial, Scientific and Medical band

The industrial, scientific and medical (ISM) radio bands are radio bands reserved internationally for the use of radio frequency (RF) energy for industrial, scientific and medical purposes other than telecommunications. That portions of the radio spectrum are particularly because that can be used for any purpose without a license.

Examples:

 * ISM use: microwave oven, electrodeless lamp, plasma lamp, spacecraft transmission.


 * Non-ISM use: Bluetooth, HIPERLAN, IEEE 802.11/Wi-Fi, IEEE 802.15.4, ZigBee.