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Hi @Wellcat816
Welcome to TPG Community.
The NBN NTD/NCD Box is used for the following NBN technology:
If your address is marked to have any one of these technologies, then an NBN box will be installed on your premises,
To order or change the type of technology on your premises, you need to contact NBN Co. directly. Here's the link; https://www2.nbnco.com.au/residential/learn/network-technology/technology-choice-program#Tab-5-Apply.
NOTE: Any fees/deals that will be discussed is between you and NBN Co only.
Regards,
BasilDV