For some high power desktop signal jammers since they are designed with the adjustable buttons so that they permit the owners to decide the jamming distance and the jamming frequency bands depending on the real situation that they are in. And usually such kind of design can’t be used on the handheld signal blockers, but now to make it easy for people to use the handheld signal blockers, some handheld selectable signal blockers have been invented and which can allow people to choose the jamming frequency bands they want to block.
Now more and more handheld signal jammers are designed with the ability to allow people select the jamming frequency bands based on the real situation they are in and just here in this passage a handheld 3G mobile phone jammer that owns the function will be introduced here and you will know that the full name of such kind of device is “Handheld 3G Mobile Phone Jammer with Selectable Button” and via the following content you can know more details of this portable selectable 3G cell phone blocker.
Firstly, as designed with the selectable buttons so that each band can work separately or simultaneously, so that you can make a decision about which frequency bands to block or not depending on the detail situation. Beside this 3G mobile phone jammer is able to work while using since it is designed with wind slots on two sides and inside coolers make a constant cooling. Also as it is designed with the car charger so that when people have the need they can use this car charger and then use this handheld selectable 3G mobile phone jammer in the car easily.
And also there are other types of handheld selectable signal blockers with different functions offered at www.jammerfromchina.com as well, if you gave the need, then just come here and pick up the suitable one.