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VSAT (Very Small Aperture Terminal)甚小孔径终端是通过卫星直接向具体工作场所或用户住处提供信息的各种微型站的总称,是中小型,低费用综合业务地球站。VSAT技术提供的业务,比传统的卫星广播业务,远程干线通讯业务等更能充分发挥卫星通信的优势,更适合于商业应用。北美、西欧、印度以及澳大利亚和我国都先后开始采用VSAT技术。 VSAT技术可提供电话、数据、传真、广播、图像及电视等多种通信业务。而且用户的年通信费用可节省40～60％。目前,VSAT主要应用于
VSAT (Very Small Aperture Terminal) VSAT is a general term for all kinds of microgrids that provide information directly to specific workplaces or user residences via satellite. It is a small, medium and low cost integrated service earth station. Compared with the traditional satellite broadcasting service and remote trunk communication service, the services provided by VSAT technology can give full play to the advantages of satellite communications and are more suitable for commercial applications. North and South America, Western Europe, India and Australia and China have started using VSAT technology. VSAT technology can provide telephone, data, fax, radio, image and television and other communications services. And the user’s annual communication costs can be saved 40 ~ 60%. At present, VSAT mainly used in