New RALI to support 28 GHz access by apparatus-licensed services | ACMA

New RALI to support 28 GHz access by apparatus-licensed services

Issue for comment 8/2014 – 7 March


The consultation period has now closed, and two submissions were received from O3B and the Communications Alliance. After considering comments received, RALI MS 38 has been revised and is available here.


The ACMA sought comment from interested stakeholders on draft new Radiocommunications Allocation and Licensing Instruction MS 38—Coordination between Earth station transmitters in the fixed-satellite service and terrestrial stations in the fixed service in the 27.5–30 GHz band (RALI MS 38).

The 27.5–28.35 GHz frequency range (the 28 GHz band) was previously allocated via the issue of spectrum licences. However, spectrum licences in the band expired on 31 January 2014, at which time the band became available for apparatus licensing.

RALIs are primarily intended for use by the ACMA and accredited persons engaged in the assignment of frequencies for apparatus licences. Before an apparatus licence can be issued for a particular service, the aspirant licensee must demonstrate that the proposed device meets the requirements of the relevant RALI. In this case, RALI MS 38 has been developed to assist with the frequency assignment and coordination of apparatus-licensed fixed-satellite service (FSS) Earth station transmitters in the 28 GHz band and the adjacent 28.35–30 GHz band. Coordination requirements and procedures are with respect to:

  • fixed service receivers in the 27.5–29.5 GHz frequency range
  • body Scanners operating across the 24.5–30 GHz frequency range.

The consultation paper, and the draft version of RALI MS 38 that was consulted on, are available below:



Consultation paper: New draft RALI MS 38 to support 28 GHz access by apparatus-licensed services

113 kb

Draft RALI MS 38

103 kb

28 GHz TLG outcomes

906 kb

Information on the processes that led to the decision to make the 28 GHz band available for apparatus licensing is also available on the ACMA website.


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Last updated: 16 April 2019