20-3000MHz 530W High Power Man-Pack Vvip Jammer Digital Portable ... function for incorrect using way, system fault, high working temperature, high VSWR... 3. With DDS module, output power ... than 24hours. 6. Taking use of super-high frequency with high effective power. 7. Only interfere downlink ... male connectors for both sides. 20-3000MHz 530W High Power Man-Pack Vvip Jammer, Digital Portable Jammer, RF ...