There are 2 approaches to selecting hardware depending on your ambitions
For experimenting with the LPWA networks you can select evaluation or experimentation kits that enable low level access to the modem. This can be used to prototype your idea. For this you can search for evaluation kits of manufacturers that create these specific radio modules suitable for the LPWA netoworktypes.
The second approach is to procure an complete product that requires separate connectivity. It is important to select an off the shelf product that has a certified radio module for our Cellular Network. For further information about this you can have a look here.
Updated about a month ago