Communications technology refers to the methods and measures used to transmit information from one location to another. Communication technology is an extremely important component of electronic technology. According to the order of historical development, communication technology successively from the human body to transfer information communication to simple signal communication, in the development of wired communication and wireless communication (Xiaojin and Zhigang in An overview of e-commerce, Machinery Industry Press, Beijing, 2003 [1]). Maritime communication as an important part of communication technology, if the means of communication used to distinguish, can be roughly divided into the following three stages.