Model M transmitter is the winning choice for its flexibility and available surface. Can be fitted with single or double axis joystick and permits a wide range of layout: potentiometers, toggle switches, many kind of buttons, with up to 6 proportional outputs (8 Bravo series) and 28 on/off commands. Interchangeable battery, to work up to 20 hours. Automatic frequency change; analogic commands remote setup. Available a solo on/off version, too.