In chapter one, an introduction to the wireless optical communication science is presented.Chapter two contains the theoretical concepts and standards with point-to point network. It also presents the main types of transmission media used in computer networks, and the main components used in a free space optical link. In chapter three, the experimental work and the design of our system is introduced. Chapter four introduces the proposed system performance, calculations, results, and discussions. The conclusions and the suggestions for future work that may improve the performance of the project and increase its features are included in chapter five.