Ok i know people are going to say sirio over k40 but my situation is a 30 watt max mobile i dot want to spend over 100 with a mag mount shipped and i need something i can take down to avoid my neighbor screwing with it.Alot of people rip on the k40 but i dont see how its that bad i mean its made in usa and i will never buy another wilson failed on me after two months wilson 1000