Network 3G/GSM/CDMA Killer
Cell phone jamming isn't a new concept but the fact that it can also interfere with other signals, such as police radios, means they're not exactly common-place. In 2010, one Maryland prison installed a cell phone jammer as part of a test -- the aim was to stop prisoners using cell phones to plan crimes happening outside of prison. Although cell phones are considered to be one of the most important devices, there will be many situations where they can become a torture. They can even spoil some of your most beautiful moments and events. Many times, we will be disturbed by calls when we are in an urgent meeting or situation. In such cases, you may have to switch off the phone, which will gradually show the caller that you are disconnecting their calls deliberately. However, you do have a better solution for this. Yes, this is possible with the gsm jammer device. This device will jam the calls and help you to save your important time. Whether you want to prevent the annoyance of incoming calls, or you want to stop people from talking incessantly on their phones around you, using a cell phone blocking device is an effective method for maintaining the quiet you desire. If you are a teacher or a student that is tired of other students gabbing away on their phones during class time, a classroom cell phone jammer may be exactly what you need. With these devices, you can stop the conversations instantly, prevent students from cheating on exams, and stop class disruptions caused by cell phone ringing and buzzing.
All cell phone signal 6 bands jammer can jam 2G, 3G, 4G, uhf, vhf signal in 40 meters, effectively protect your personal privacy and information security. Can work continuous 24 hours. Using white aluminum shell, has good heat dissipation. Having a larger range of jamming, Maximum jamming radius of up to 30 meters. Can jamming 6 different frequency bands: CDMA, GSM, DCS/PHS, TD-SCDMA, WCDMA/CDMA2000, WIFI.
The 14 bands signals killer has a large rang of jamming, maximum blocker range up to 70 meters. At the same time you can also adjust the output power as needed. Can jamming 14 bands, according to the need to control the frequency band to be blocked. Has a good heat dissipation system, can work continuously for a long time. Jamming range up to 80 meters.