Posted on 14th Apr 2012 @ 9:41 AM
Until recently, the mobile phone signal blockers have been used in many industries of the society, such as jails, prisons, hospitals, churches, temples and many other places. Now with rapid development of communication technology, 4G cell phone signal jammer becomes a popular jamming device. If you want to know information about mobile phone signal jammer, you can browse the professional jammer website www.jammerall.com.
Our society has its own rules, in the longtime of social changes, many rules and cultures has become a habit. For examples, people abide by the society rules and many people are used to speak softly in public. In the recent decades, the arrival of cell phone deeply changed people's life. It is more convenient to communication for people. However, in other aspect, it still brings many troubles for people. Many people speak loudly in some public occasions where need to be quiet. For such kind of things, we have no choice but accept. But now, the device jammer or signal blocker have been used by consumers and businesses to block signals from mobile phones. It can create "quiet zone" and block out unwanted conversations in many places. And the most popular device 4G cell phone signal jammer will change the situation; it will block all kinds of signals in public or private places.
The mobile phone signal jammer will block all radio transmission between cellular phones and base stations. Within a certain range, the phone jammer can effectively disable the cellular phones. When used, it will prevent devices that are within the jammer from making and receiving phone calls, text messages, and e-mails, connecting to the Internet, and using GPS signals. With the newest 4G cellular phone jammer, it can block all signals of 4G, 3G and more. Read more, please view the website www.jammerall.com.
As we know, most cell phones use different bands and frequencies to send and receive communication from base tower. The mobile phone jammer will interference with the communication between cell phones and towers to make the phones disabled. And the jammers do not interfere with the base stations; just block the signals of mobile phones. There are various kinds of mobile phone systems, and now the newest jammer will block all signals as CDMA, GSM, PHS, 3G and even 4G communication networks. From appearance, the jammers are designed as portable and compact. It is easy to carry and hide in the pocket, bags, etc. According to the power of the jammer and the strength of the signal, the jamming range is different.
Some cell phone jammers have been introduced to some State Prisons in the United States. And other place of hospitals are installed the mobile phone jammer to keep a quiet and safe environment. www.jammerall.com is an expert in jammer area, more information you can click the website and read more.