The main aspect that makes wireless security different than security of wired networks is the uncontrollability of physical access due to transmission of data with radio waves.
This article introduces the choice of the wireless location system , including the location system based on the mobile station and the network ,and the location system of commixture .
An L-band safety remote control system is introduced which is composed of three stations and one center in order to increase coverage and overcome the limit of earth curvature to intervisibility.