2020 nbn Satellite CIS 12 and 24 Months nbn Sky Muster Plus V4.2 Previous versions: nbn Satellite CIS 12 and 24 Months nbn Sky Muster Plus V4.1 nbn Sky Muster Plus V4 nbn Sky Muster Plus 2019 nbn Satellite CIS nbn Sky Muster Plus CIS nbn Skymuster Educational Service CIS