Before you buy signal jammer, you need to your country to choose the corresponding signal frequency corresponding to the interference device, because the signal frequency of each country is different, so you choose the scrambler is different also. While in this state, they can simply choose the signal shielding to work for them, because we know that there are different types of signal receptor blockers, such as signal shielding the euro, is also the signal block.

Now more and more people want to get signal gsm jammer that can block certain signals according to their own needs or cut off all signals at different frequencies at the same time. Meet the needs of people more and more people are now designed adjustable knobs, and different frequencies of disturbance signal mixed together, can adjust the radius of the interference, in order to realize the target, and here the "adjustable interference frequency GPS GSM 3 g 4 g WIFI UHF VHF in here for you" signal block device (us version) "type has been designed to have this capacity, you can through the following content to check the details of this example.

First, a high power adjustable table 8 antenna signal blocking device is very suitable for home or office area, for people in need high power signal block area of the crowd. As a result, the smart phone's signal jammer, designed like eight antennas, can easily cut GSM, DCS/PCS, 3G, WiFi, 4G and UHF signals at the same time, which is very powerful. By looking at the interference radius distance range, you will also be the Wimax WiFi VHF UHF 3 g 4 g high power jammer desktop, because according to the location of the signal strength, protect the radius can be up to 50 meters in particular, in this case, it can satisfy the requirement of the large crowds scrambling range.