The existence of technological developments affect all activities by humans. Now, almost all computer-based activities, including teaching and learning processes. In our teaching and learning processes also often use the computer. For example, such as the use of video converence, a trainer for practical implementation and so forth. In addition to the lectures can also use a module that can make it easier to understand a problem or science. Modules are made should be easily understandable and interesting so as not bored moment in the study. Modules that can be interactive with its users make the learning process is not boring. Now this process of learning is expected to be done anywhere, then the form of modules such as computer applications or digital data more efficiently as it can be stored and transported easily. Form of application modules are also expected to be easily used without having to perform complicated preparation. Based on needs, the author makes a module that can explain the content and process communications data communications with the scope of local area network (LAN). Module packing based on the data made using adobe flash software. Adobe flash chosen because it can make an application *. exe extension so it is easy to use. Extension application *. exe can run on all computers without requiring any additional software. Keywords : Modules, Local Area Network (LAN), data communications, adobe flash
