说明：  SUNRF-2012透明无线模块使用说明书支持5678个有效位，NONE-EVEN-ODD校验，1或2个停止位全部全串口格式。支持功率调节，环境评估。空中下载等功能。传输距离150米到3000米。广泛使用在控制传输场合
(SUNRF-2012 wireless module transparent support 5678 instructions valid bit, NONE-EVEN-ODD parity, 1 or 2 stop bits all full serial format. Support the power regulation, environmental assessment. Air download functions. Transmission distance of 150 meters to 3,000 meters. Widely used to control transmission occasions)