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Hi @Maxobkircher . From the scanty information on this unit, there doesn't seem to be anywhere for external antennas. For this shape of unit, antennas are inside.
Can you attach a picture of your unit showing where you think the antennas go.
@Maxobkircher . The 2 holes near the top edge are for hooks if you want to hang the unit on a wall.
If you have weak wifi around the house, you could use a wifi extender. After being setup, it is positioned between the VX and where you need extra coverage. It still needs to be close enough to the VX to get a good signal.
What type of NBN connection do you have?