rxtx开发包，用Java进行串口通讯程序的开发，可以实现短信发送等功能。-rxtx development kit, the development of serial communication program in Java, you can send text messages and other functions

rxtx开发包源代码，用Java进行串口通讯程序的开发，可以实现短信发送等功能。-rxtx development kit, the development of serial communication program in Java, you can send text messages and other functions