Radar-in-a-backpack kit weighs less than 20 pounds when packed away. It can be set up in just three minutes and can scan a 150 acre area for movement. It reports its finds to an included wireless tablet that shows the signal overlaid on map imagery so it’s easier to pinpoint an intruder. Some might say that using this kit outside of military applications is a little overkill, but they’ve probably never had a bag of marshmallows nicked by a racoon.”]
Source: https://gizmodo.com/backpack-radar-kit-promises-to-secure-your-campsite-5913745