On September 2, 2022, The Ministry of Internal Affairs and Communications in Japan has announced ‘’Ordinance No. 59’’ to partial revise the enforcement regulations of the radio law.
The main points are as follow:
1. Add 5150-5250MHz as a usable frequency band for WLAN devices installed in vehicles (or cars), with output power limited to 40mW EIRP.
2. Open 5925–6425 MHz Frequency Band for WLAN.
6GHz WLAN technical conditions in Japan are summarized as follows：

Permitted frequency band	Category	Maximum Power (EIRP)	Conditions
5925 – 6425 MHz	Low Power Indoor (LPI)	200 mW	Indoor use only
	Very Low Power (VLP)	25 mW	Indoor & Outdoor

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