Can the signal jammer shield all communication signals?

Now the appearance of the shielding device has solved many hidden dangers of disturbing the order for the examination room, so that the examinees can take the exam in a fair environment. The principle of this test signal jammer is to make the communication signal of the mobile phone malfunction by isolating the electronic signal, which can eliminate the phenomenon of cheating by using the mobile phone.


Generally speaking, the effective range is within the radius of 0 to 30 meters. Generally, a small power test signal jammer is enough to cover a whole classroom, meeting the demand for shielding signals in the examination room, especially suitable for schools to purchase signal shielding for the examination room.

Many customers have trouble with the purchase of test signal jammers. Can the test signal jammer shield all communication signals? In a word, many people are unfamiliar with the test signal jammer. In fact, it has been widely used in the college entrance examination room. In the college entrance examination last year, many test rooms installed this kind of machine and equipment, and received a lot of good responses. It has been proved that it has a good effect on eliminating electronic signal cheating means, and it has been vigorously promoted since this year, More examination halls can also be equipped with shielding devices.

Shenzhen Texin Electronics Co., Ltd produces the phone signal jammer, WiFi signal jammer, GPS signal jammer, drone gun jammer, anti drone system and phone booster, etc. We master the projects experience and key know how to offer our customer the cost effective and high quality product.

We starts in China since 2008, firstly involved in in the field of Examination jamming of educational Department, meeting room jamming and prison Jamming of Chinese Government projects, to design and produce the phone wifi signal jammer. Gradually, the emerging market need generates the multiple OEM ODM projects for us such as GPS jammer, Drone jammer, VHF UHF jammer,even more high tech anti drone system, etc. Thus our factory has thousands of project experience. We intend to slove the technical difficulties and realize the customer real need.