Definitions for "ISM band"
Radio band used in wireless networking transmissions.
Abbreviated for Industrial, Scientific and Medical band. ISM band is a license free band which is set aside for Industrial, scientific and Medical equipments.
The 2.4GHz frequency spectrum is also known as the ISM band. ISM stands for Industrial, Scientific, and Medical, the noncommercial uses for which the 2.4GHz band and other frequencies were once reserved by the ITU-T.