What frequency can I use without a license in Australia?

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Radio Frequency Usage Regulations in Australia

Understanding Radio Frequencies

Radio frequencies are crucial for wireless communication in Australia, managed by the ACMA to prevent interference and ensure efficient spectrum usage.

License-Free Bands in Australia

Several bands are available for license-free usage:

  • Citizen Band Radio (CB): Operates on 27 MHz band, popular for short-distance communication.
  • Personal Radio Service (PRS): Uses 476 MHz band for low-power devices like walkie-talkies.
  • Wi-Fi and Bluetooth: Utilizes 2.4 GHz and 5 GHz bands for wireless internet and local connectivity.
  • Radio Microphones and Wireless Audio: Various UHF bands allocated for broadcasting and performances.

Applications and Compliance

These bands support applications from personal communication to business operations:

  • CB Radio: Used by truck drivers, emergency services, and hobbyists.
  • PRS: Ideal for outdoor activities, events, and small businesses.
  • Wi-Fi and Bluetooth: Essential for internet access and device connectivity.
  • Radio Microphones: Necessary for broadcasting and events.

Users must comply with ACMA guidelines on frequency coordination, power limits, and equipment standards to minimize interference.

By adhering to these guidelines, users can responsibly leverage license-free radio frequencies in Australia, enhancing communication networks nationwide.

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