In the hills of southwestern Wisconsin, atop grain elevators and silos, a small team of technicians is assembling a next-generation wireless 5G network piece by piece. They work for a rural broadband company, not a telecom giant, and their mission is bringing connectivity to homes that otherwise wouldn’t have it, rather than helping people max out the speeds on their new $1,000 phones.
David Bangert, the 51-year-old founder of WiConnect Wireless, still lives on the farm where he grew up, just outside of Ithaca, Wis. His company…