PUSH TO TASK PUSH TO TASK PUSH TO TASK PUSH TO TASK-PUSH TO TASK PUSH TO TASK PUSH TO TASK PUSH TO TASK PUSH TO TASK PUSH TO TASK

通过串口RTS电平控制电台的发射，完全开源，用户也可以在这基础上进行修改，实现更多功能。(control radio transmite with com port RTS,open source code.User could be edit this code to be more features.)