A part of the features will be provided for better use of the jammer.

Taking use of super-high frequency and mini-power interfer -ence technology, high efficiency. Effectively making subsections, just interfering downlink and no interception on the base station. Extreme portability, the weigh for machine Itself and antenna is just 150g. Low power consumption, working time for machine is about 2-3 hours, supplied power by battery. Slow start up design of circuit. These elements can maintain the s table operation condition with high integration.