So, you’ve found yourself in a bit of a pickle. Picture this: you’re running a critical bit of infrastructure, maybe a wastewater treatment plant, a place where the smooth flow of data is almost as important as the smooth flow of… well, you know. You’ve got your remote sites all chatting happily with the main plant, sharing all that lovely SCADA goodness. Once upon a time, you might have done this with a trusty 900-MHz radio system, a real workhorse. But then, the airwaves got as crow...