Monday, 09 December 2013 11:11

Changes to Frequency Ranges for Wireless Audio Transmitters

Many wireless audio transmitters currently operate in the spectrum located at frequency range of 694-820 MegaHertz (MHz), but from 1 January 2015, it will be illegal to use devices in this range.

The main frequency ranges that can be used to operate wireless audio transmitters from 1 January 2015 are 520-694MHz and 1790-1800MHz. The range available in your area will depend on television broadcasting arrangements, which are changing and can vary in different locations.

Some wireless audio transmitters can include:

  • Wireless Microphones
  • Public announcement systems
  • In-ear monitoring systems or
  • Musical pick-ups


Check your manual or contact your supplier to find out if your wireless audio transmitter can be retuned.  If it can not be retuned you will need to purchase new equipment that operates in the new frequency range.

For more information please visit ACMA's website http://www.acma.gov.au/Industry/Suppliers/A-Type-of-equipment/WirelessMicrophones/welcome-to-your-wireless-mic-hub.

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