ICASA publishes 7 Radio Frequency Spectrum Assignment Plans for IMT

Pretoria – The Independent Communications Authority of South Africa has promulgated seven final Radio Frequency Spectrum Assignment Plans for International Mobile Communications (IMT) high-demand spectrum, following an extensive notice and comment process.

The seven bands are:

  • 703 to 733 MHz and 758 to 788 MHz (IMT700);
  • 733 MHz to 758 MHz (IMT750);
  • 791 to 821 MHz and 832 to 862 MHz (IMT800);
  • 880 MHz to 915 MHz and 925 MHz to 960 MHz (IMT900);
  • 2300 MHz to 2400 MHz (IMT2300);
  • 3300 MHz to 3400 MHz (IMT3300); and
  • 3400 MHz to 3600 MHz (IMT3500).

In each case, the requirements and channelling plans are aligned to South Africa’s National Radio Frequency Plan (RFSAP) and globally harmonised. Further, each RFSAP sets out migration arrangements, coordination requirements and the method of assignment.

Some of the RFSAPs formalise the arrangements for the spectrum already assigned in the 2022 high-demand spectrum auction. Others identify new high-demand spectrum that the Authority intends to make available for IMT services in the near future. Together, these RFSAPs will achieve a 215% increase in the high-demand spectrum available for licensing through a competitive process.

These 7 RFSAPs span “low” and “medium” frequencies between the ranges 700 MHz to 3 600 MHz. The spectrum bands thus covered have now been earmarked for their highest value use as key enablers for the deployment of IMT technologies and services, including 4G, 5G and beyond.

The planned assignment of these bands to their highest-value users via a competitive auction process will provide an important stimulus to the further development and deployment of mobile services, to reducing the cost to communicate, to increasing universal access and service and to providing users with a wide range of value-added services.

The Authority will shortly engage in further consultations on three additional bands, namely:
• 450 MHz to 470 MHz (IMT450);
• 825 MHz to 830 MHz and 870 MHz to 875 MHz (IMT850); and
• 1427 MHz to 1518 MHz (IMT1400).

“Finalising these Radio Frequency Spectrum Assignment Plans marks an important milestone in the allocation and assignment of high-demand spectrum for mobile communications services, applications and content,” says Committee Chairperson Cllr Charley Lewis. “The Authority is determined to push ahead with identifying and making available further spectrum as an important contribution to economic growth, job creation and social development.”


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