The main frequency range of the ISM band (Industrial, Scientific, and Medical) includes several sub-bands, which are widely used in wireless communications, RFID systems, remote control devices, medical equipment, and other fields. The main frequency ranges of the ISM band are as follows:
6.78 MHz: This is a shortwave band, mainly used for shortwave communications and RFID systems.
13.56 MHz: This is a shortwave band, widely used for RFID systems, remote control systems, and remote control of model physical systems.
26.957 MHz to 27.283 MHz: This is used for wireless communication technology.
40.66 MHz to 40.70 MHz: This is a VHF band, mainly used for telemetry and remote control.
433.920 MHz to 434.979 MHz: This is used for amateur radio services and short-range communications. 868 MHz and 915 MHz: Used for wireless communication technologies such as Z-Wave, Bluetooth, and Wi-Fi.
2.4 GHz and 5 GHz: Used for wireless communication technologies such as Wi-Fi, Bluetooth, and Zigbee.
2400 MHz to 2483.5 MHz: Used for Wi-Fi and other wireless communication technologies.
5725 MHz to 5850 MHz: Used for wireless communication.
902 MHz to 928 MHz: Used for wireless communication.
1.7 GHz to 2.5 GHz: Used for wireless communication.
24.125 GHz to 58 GHz: Used for high-frequency wireless communication.
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