The author’s QTH currently has a Nanobridge M2 connecting to 83 Fire Washington Boro. 
Inside there’s an Airrouter HP node that can serve as a internet gateway, tunnel client and/or server. These seem to be going obsolete but they are still available on eBay.
These seem to be going obsolete but they are still available on eBay.
There’s also a Grandstream GXP1630 IP phone.
Ham Radio Mesh Networking 