随着无线电事业，特别是无线通讯事业的迅猛发展，无线电频谱管理也正在逐步强化。作为无线电频谱管理重要技术手段的无线电监测测向设备，在“九五”期间，各省市无线电管理部门都有不同程度的增加；在“十五”期间，各省市将会有更多的需求。因此，如何选购先进、实用、价格? With the rapid development of the radio business, especially the wireless communications industry, radio frequency spectrum management is also gradually strengthened. Radio monitoring and direction-finding equipment as an important technical means of radio spectrum management, during the “Ninth Five-Year Plan” period, radio administration departments of all provinces and cities have increased to varying degrees; during the “10th Five-Year Plan” period, each province and city will have more demand. Therefore, how to buy advanced, practical, price?