Well your backtracking as I also did in my reply about you looking at lower costs.
Do understand im in Michigan and not as up on happening's for NC so I had to do some searching.
I did find this post about NC Viper going Phase II in 2025-
VIPER Statewide Radio System Discussion | Page 18 | RadioReference.com Forums
Far as the mototrbo/nxdn at least 'currently' none is listed for your county.
Carteret County, North Carolina (NC) Scanner Frequencies and Radio Frequency Reference (radioreference.com)
Do understand im in Michigan and not as up on happening's for NC so I had to do some searching.
I did find this post about NC Viper going Phase II in 2025-
VIPER Statewide Radio System Discussion | Page 18 | RadioReference.com Forums
VIPER is planning on switching to Phase II in 2025. January 2020, they will no longer accept non-Phase II capable radios such and the Motorola XTL and XTS series for new IDs, and in Janurary 2022, non-flashed Phase II ready programmable radios will no longer be accepted for new IDs
Far as the mototrbo/nxdn at least 'currently' none is listed for your county.
Carteret County, North Carolina (NC) Scanner Frequencies and Radio Frequency Reference (radioreference.com)