Extending network over a dry pair

[blake at ispn.net (Blake Hudson)]

Nick Bogle wrote on 12/12/2018 3:25 PM:
> A quick question for you guys;
>
> If you had a single dry pair (pair of copper wires originally for 
> phones) to a remote site that was around 6 miles away, what would you 
> use? We currently are just extending a T1 line to this site, but 
> 1.5Mbps isn't cutting it anymore. Unfortunately it's a research site 
> on a federally protected wildlife preserve so we can't run any new 
> infrastructure (fiber etc) and it isn't in a geographical place where 
> point to point wireless is practical. We were thinking there is some 
> sort of network extender that uses some form of DSL for higher 
> bandwidth capacity.
>
> Any suggestions?

Blackbox makes a variety of different types of " network extenders" (aka 
bridges) - 
https://www.blackbox.com/en-us/products/black-box-brand-products/networking/extenders

As others have said, 6 miles might limit your bandwidth capacity.