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美国Sylvania公司研制了一种J3400机动的大功率通讯干扰系统,它在20—80兆赫频段产生1000瓦的干扰功率。J3400是装在活动掩体中的独立系统,可用2.5吨卡车运输。该系统由三个设备架、天线和天线杆组成。
The United States Sylvania company developed a J3400 mobile high-power communications jamming system, which generates 1000 watts of interference power in the 20-80 MHz band. The J3400 is a stand-alone system housed in an active shelter that can be transported on 2.5-ton trucks. The system consists of three equipment racks, antennas and antenna rods.