To use the MikroTik LTE Products in New Zealand, you need to set the appropriate APN for each carrier, below is the settings needed to get this working.
2 Degrees:
/interface lte apn add apn=internet default-route-distance=1 name="2degrees Internet"
Vodafone:
/interface lte apn add apn=vodafone default-route-distance=1 name="Vodafone Internet"
Spark:
/interface lte apn add apn=Internet default-route-distance=1 name=Spark
Kogan:
/interface lte apn add apn=kogan authentication=pap default-route-distance=1 name=Kogan
Once you've added the correct profile, you can select this profile in the following location: