Astral ARX8 2 Channel Upgrades: permanent license adding two receiver channels, from 4 to 6 or from 6 to 8 channels. Also for A20-Nexus Go.
Astral ARX16 4 Channel Upgrades: permanent license adding four receiver channels, from 8 to 12 or from 12 to 16 channels. Also for A20-Nexus.




