The article is about a research group in Mass, but you might be interested in keeping an eye on Advanced Telesensors. They are a traditional startup in Austin

The article is about a research group in Mass, but you might be interested in keeping an eye on Advanced Telesensors. They are a traditional startup in Austin that does exactly what you want and their sensors work well to boot. http://www.advancedtelesensors.com/ http://www.advancedtelesensors.com/