fats? SIG M17 Pistol EST Wireless BLUEFIRE? M17 Pistol Simulator uses RF technology to communicate with the fats? virtual systems. fats? BlueFire? weapons retain the sensor feedback and control of our... fats? SIG M17 Pistol EST Wireless BLUEFIRE? M17 Pistol Simulator uses RF technology to communicate with the fats? virtual systems. fats? BlueFire? weapons retain the sensor feedback and control of our Tethered weapons with exception of analog sensors functions. The fats? wireless BlueFire? weapon simulators can be used simultaneously with fats? tethered weapon simulators.