本文不在于探讨卫星通讯和车载卫星通讯站的技术细节。而是着重研究、讨论公安机关怎样根据某些高新技术的性能特点，结合公安工作的实际，发挥其最大效能的问题。 This article is not about technical details on satellite communications and on-board satellite communications. It focuses on studying and discussing how the public security organs should give full play to their problems of maximum efficiency based on the performance characteristics of some high-tech industries and the actual work of public security.