On October 1, 2026, Japan's Ministry of Internal Affairs and Communications (MIC) issued Notification No. 363, revising relevant ministerial orders under the Radio Law to establish technical requirements for non-geostationary orbit (NGSO) satellite communication systems supporting mobile communications. This revision has officially taken effect since its issuance. The amendment sets corresponding bandwidth limits and operating conditions for different sub-bands, including regulations for devices operating in the 715–718 MHz frequency band.

Click this link to view the original text of MIC Circular No. 363. For specific technical requirements, see Ministry of Internal Affairs and Communications Order No. 115.