GCB-99A is a control box that integrates power management, servo

management, electric landing gear system, electric brake, navigation

lights, gyro, front wheel correction, etc. It can almost meet all turbojet

models based on electric landing gear and electric brakes. It has

achieved a high integration of common functions of turbojet model, and

various parameters of the control box can be freely set through the

mobile phone client or setup card and convenient for the user to install

and debug