ISM Bands: General facts Industrial, scientific, and medical (ISM) radio bands • originally reserved internationally by ITU-R for noncommercial use of RF electromagnetic fields for industrial, scientific and medical purposes • Individual countries' use may differ due to variations in national radio regulations • In recent years permission for license-free short-range communication applications such as walkie-talkies, remote controls, WirelessLANs, Bluetooth Source: Wikipedia - 28 - TZI – FB 1 – Kommunikationsnetze Andreas Könsgen – Summer Term 2011
ISM Bands: Assignments Some typical ISM bands Frequency Comment 13.553-13.567 MHz 26.957-27.28 MHz 40.66-40.70 MHz 433-434 MHz Europe 900-928 MHz America 2.4-2.5 GHz WLAN/WPAN 5.725-5.875 GHz WLAN 24-24.25 GHz - 29 - TZI – FB 1 – Kommunikationsnetze Andreas Könsgen – Summer Term 2011