Why do we need an adjustable signal jammer for gsm?
One of the things that might bother us when we use a jammer is that the signal we need to interfere with is not well controlled. If more than we need, affect the broader range, this may let us complaint, such as in some of the important exam to open mobile phone signal jammer, affected the residents around communication, it will no doubt serious influence on people's life and work, so we need a can adjust the radius of interference frequency and interference signal jammer.
When you need this kind of jamming devices at the same time, and then you can see the "adjustable signal function of 3 g 4 g 15 w jammer and six antenna" for more details, and soon you will know that the signal of an adjustable interceptor was really good for people, people also have different requirements is easy to use. It can block more signal types, as well as wifi wireless networks.
With 6 antenna designs, the high-power 4G cellular jammer can easily cut off GSM 3G 4G signals according to user needs. Therefore, the design of the adjusting knob can also determine the interference distance and interference band. The dc charger also makes it easier for people to use these high-power 3G, 4G tunable cell phone jammers in their cars. So you don't have to worry that this 4G phone's high-power jammer isn't working well. The interference radius can reach up to 40 meters, allowing you to interfere with a wider range. You can get more information from here if you want.
While buying a cheap GSM jammer online is a competitive market, you can get the best quality assurance and free global distribution service.