How is the 30-40 meters cell phone jammer?

As we’ve mentioned that 20-30 meters cell phone jammers are the most widely used type among all cell phone signal jammers. When compared with the 20-30 meters cellphone signal jammers, the phone jammers that offer 30-40 meters shielding range are also one of the best selling types among all cell phone jammer online sales. They enjoy more capable jamming capability than the 20-30 meters cell phone jammers and they are often coming with multiple functions.

If you take a look at 30-40 meters cell phone jammers online sales, you will find that the cell phone signal jammers that offer the 30-40 jamming capability are always jammers with several adjustable antennas. What are those antennas used for? Each antenna stands by different affecting frequency range. Taking the adjustable 6 antenna mobile phone jammer for example, its six antennas represent the CDMA, GSM 900, GSM1800-1900, 3G, Wi-Fi and GPS. So it is not only a mobile phone jammer, but also a Wi-Fi jammer and a GPS jammer. Moreover, you can use any of the six antennas separately or use all the six antennas at the same time. So the 30-40 meters cell phone jammers enjoy wider application then the 10-20 meters and 20-30 meters cell phone signal blockers. They can be installed in more places for the purpose of blocking the signals of cell phones, Wi-Fi, GPS and signals in many other types. Since the 30-40 meters cell phone signal jamming blockers enjoy more functions than the 20-30 meters type, they are also priced a little higher than those 20-30 meters cell phone signal jamming blockers. Most of them priced at about 200-500 dollars. So if you are looking for a jammer that can block more than one signal, the 30-40 meters cell phone jamming blockers are your preferred choice. We are also glad to tell you that many cell phone jamming blockers which offer 30-40 jamming capability can also have many extra functions. Some of them are equipped with remote control while some of them have omnidirectional antennas. These functions can better meet your requirements to some extent.

How to choose the best 30-40 meters cell phone jammers? Undoubtedly, you should find a jammers supplier with experiences first. You should never buy unwarranted cell phone signal jamming blockers in an unknown shop since it is just a waste of money. Why not choosing one in a well known jammer online shop? We highly recommend you jammerall, an experienced jammer online shop that offers a wide range of qualified cell phone jamming blockers. There is no need for you to worry about the jammers there, because every of jammer has undergoes several inspections before it hits shelves. So just be assured to choose one in jammerall.