many people wanna find a car jammer for sale themselves
Most GPS jammers can not only block GPS signals, but also shield GSM 3G 4G WIFI signals. The signal blocker is not only block gps signals,but also jam other mobile phone signals, you can choose according to your needs. This handheld Car Jammer For Sale blocks signals from within a radius of 20 meters and is fully convenient for 1.5 hours of continuous operation on a single charge.It plays a very important role in people's lives. Without it, it is impossible to imagine how bad life will be. This is the reason why we Americans like to assemble parts for mobile phones. Therefore, some user's request, the use of the smartphone should be as smooth as possible at anywhere.
The emergence of mobile phones has indeed brought us great convenience.However, in some places, the use of mobile phones is very disgusting: the conference room leader decides whether to prevent subordinates from playing mobile phones; during class in the classroom worried that students use smartphones to influence learning,cinema operators are also very interested in smartphone signal blocker, because it can guarantee the quietness of the theater, of course, need to be equipped with public telephones; some retailers are also keen on multiband phone jammers because it can prevent customers in the store through the network query for the price, resulting in higher returns.
In some EU countries, it is forbidden for individuals to illegally use cell phone jammers, as this will not only interfere with private radio communications, but also block the radios of other important agencies such as police, fire brigade and so on. In addition, emergency calls cannot be sent.Since the state is monopolized on radio frequencies, only government departments can buy jammers, such as using jamming equipment in prisons to prevent criminals from using their mobile phones for illegal transactions, such as drug trafficking, jailbreaking, etc. Some government officials use mobile phones to interfere. Prevent spy tracking, block remote control bombs, etc.