Why is interest growing in 4.5 GHz for 5G?
Jan 12, 2018 by Spectrum Research Service Blog


LocationChina, Japan
Tags4.5 GHz, Microsoft

Where China and Japan lead, others tend to follow. So what is drawing the two telecoms superpowers to take such an interest in the 4.4-4.9 GHz band?

Other sub-6 GHz bands, such as 3.4-3.6 GHz, might be more in the 5G limelight but our new 4.5 GHz Research Note explains what is driving this new interest and which other countries might follow suit.

Research Notes

4.5 GHz

A number of countries are looking at 4.5 GHz as a possible 5G band. Japan, its most serious supporter, plans to allocate the frequencies in March 2019. Other interested countries include China, Korea, Myanmar and Taiwan. China has the most developed interest of the other countries.


Japan will be hosting the Olympic Games in 2020 and the country plans to use the event as a showcase for new technologies such as 5G. As a result, both its government and its operators are very active in testing the technology.


China’s government and its three mobile network operators (MNOs) are actively preparing for 5G. The MNOs expect to launch commercial services by 2020.

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