I feel a beginner's drone need to be under 250g, simply because it makes life simpler in most places (which is safer). He added that many techniques, which include escalating troops deployment and conducting vulnerability mapping, have been taken to stop smuggling of narcotics and weapons from over the border. https://spiroh035jdx2.p2blogs.com/27786667/an-unbiased-view-of-large-police-drones