Hello everyone! 
UltraSonic technology is the driving force for the iX Series. The UltraSonic motors are the thinnest, lightest, and most powerful on the market – providing you with the smoothest and most accurate prism- tracking possible.
It’s a difference you can see and hear immediately. With a rotation speed of 150° per-second, no matter how fast you move, or how many obstacles are in the way, you cannot outrun the iX 
Shop here: Sokkia IX Series | Lowest price online | Global GPS Systems 
