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Product Description Features The mobile jammer is easy to operate and install. To start working, you only need to install antennas correctly and switch on power supply. The mobile phone jammers block all mobile phone signals such as GSM, CDMA, and PHS. And the jammers can also block little smart wireless city phone signal and SCDMA signal. The mobile phone jammers only block downlink frequency from BTS, but do not block uplink frequency from BTS. The jammers has no affection to other BTS, this may be other jammers fail to do. You can rest assured that the jammers do no harm to mobile phones. After getting out the jamming area, mobile phones will automatically reestablish communications and provide full service. The environment protection and rapid reaction is also the features of the jammers. Technical Specifications No harm to mobile phones: mobile phones can not send out or receive signals when the mobile phones are in jamming area, after get out of jamming area, mobile...

Product Description Equipped with high efficient antenna, this 5_Band Portable GPS & Cell Phone Signal Jammer is designed to block all GPS, GSM, CDMA, DCS system signals up to 10m radius. What's more amazing! This portable GPS/cell phone signal jammer can keep you from being tracked by GPS and cell phone signal tracking systems. It comes with a built_in rechargeable Li_battery for long_lasting power. Besides, this device can also be recharged while still in operation. It can be used in wide ranges of occasions such as schools, churches, conference rooms, hospitals and any other place where cell phones may cause a distraction or interference. You will find the secrets in it. There is no need to worry about its bad effects on the normal operation of other electronic devices or human body when it does work. Low radiation and light weight will allow you take it anywhere you want. Take actions now and get it! Specifications: Isolating Signal Bandwidth: _ CDMA/GSM: 850_970MHz _ DCS/PHS:...

Product Description If you are afraid that a cell phone signal blocker will jam or interference the signal of base stations, with this blocker you needn’t worry about this issue. It can widely use in conference rooms, museums, theatres, concert halls, churches,temples, classrooms, training centers, factories, banks, trains and some specialplaces as hospital, gas stations and more. This blocker is bestseller product around the world. It can jam CDMA, GSM, DCS/PCS and 3G band and the jamming range arrive to 40 meters. With AC adapter, it can work non_stopped and quietly. Furthermore, you can turn on and turn off the jammer with the remote control. The external Omni_directional antennas can cover down link of all the TX frequency, but do not interference the base stations. The 4 antenna cell phone signal blocker with remote control has pretty much everything that you’d want in blocker. Thus, if you prefer an uncomplicated blocker, this is your perfect choice. Just put it...

Product Description Technical Specifications Jamming Area: Up to 25meters (Depends on signal strength, at the site to be jammed) Cellular Systems: Option A for American Market: CDMA: 850_894MHz; GSM: 925_960MHz; PHS/DCS: 1805_1990MHz; 3G: 1990_2170MHz; Option B for Europe Market; CDMA: 869_894MHz; GSM: 925_960MHz; DCS: 1805_1880MHz; 3G: 2110_2170MHz Power Adapter: Input AC110V_240V, DC5V Total Output Power: 4Watt Dimension: Product Antennas off: L 23x W 10 x H 3 cm Package: L 29x W 15x H 11 cm  Product weight: 1.45kg    Package weight: 1.7kg Working Time: 24 hours/ 7 Days Relative Humidity: 20%_95% Working Temperature: _40~ +55 deg C Antennas installation: Install the antennas corresponding to the channel label. If not, the jammer will be very hot when it works Accessories Power adapter Jammer Remote control Antennas*4   Note: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be...

Product Description Features Are you sick of those pesky mobile phone ring tones and MMS tones during your presentations and meetings? Silence everything, with this handy high powered mobile phone jammer your meeting room or presentation hall will be whisper quiet. With completely silent operation and adjustable strength for each band, the versatility is there to only block the phone carriers you don't like. A well built heat dissipative design ensures that this unit will not over heat during the meeting and a typical range of 15 meters will make sure you silence even the far reaches of the room. Compact size _ only slightly bigger than a standard IPOD (antennas off) Can be run on AC power or battery power Electrical power and recharging from AC charger (110/220V) Certified by the Security Ministry of China, so you know it works well! Buy this great jammer today at fantastic wholesale prices from alljammer and get shipped directly to your door from China, or direct to your...

Product Description Welcome to this Mini Portable Cell Phone Jammer world! Like other cell phone jammer products, it can effectively disable all kinds of mobile phones. By adapting the same frequency of the cell phone's signals, you  can achieve your blocking purposes as you need with this portable one. Handheld design, smart volume, light weight and compact functions, this portable cell phone jammer will satisfy you to the heart. You can take it in your house, your office or anywhere you like. Easy to install and operate, this blocker does no harm to the environment and your body. Equipped with AC power charger and Car power charger, it will bring more conveniences for you.   Now is the season of shocking. Come here and order one, you will gain more than this simple jammer!   Specifications Isolating Signal Bandwidth _CDMA:850_894 MHz _GSM: 925_960 MHz _DCS/PHS:1805_1930 MHz _3G: 2110_2170 MHz Coverage Area: 1_15m (Depending on the strength signal...

Product Description With the rapid development of communication technology, cell phone has become an indispensable tool in our daily life. You can see everyone carries a phone in their hands here and there. However, wide use of mobile phones has brought some problems which can not be ignored. In the gas station, oil fields, cell phone using may result in a fire or explosion. In other occasions that require quietness and seriousness, cell phone using may result in terrible interference. To get rid of these disasters, you could have this 5_Band Cell Phone Signal Jammer. Adopted the perfect jamming technology, this 5_Band Cell Phone Signal Jammer works perfectly to cut any cell phone signal around. Besides, made of high quality materials, we guarantee you the best quality of this cell phone signal jammer. With 1~25 meters jamming range, this cell phone signal jammer is powerful enough for most of the situations. With this cell phone signal jammer, you can use your cell phone safely. Want...

Product Description Although this era is an era belongs to the cell phones and computers, there are still many places where cell phone use is not permitted, such as the meeting room, tribunal, and classroom and so on. Besides, cell phones are strictly prohibited in those confidential places to avoid the leak of the confidentiality. Although we cannot let everybody keep their mobile phones off, we can install the cell phone signal blocker jammer to solve this problem. Regarding this point, we are excited to recommend you this 1~10m 5_Band Portable Cell Phone Signal Blocker Jammer. This is a perfect device for all those areas that require quietness and seriousness to help keep undisturbed and confidential. With the special design, this powerful Portable Cell Phone Signal Blocker Jammer can give you magical effect you never experienced before. Compatible with 3G/GSM/CDMA, this 5_Band Portable Cell Phone Signal Blocker Jammer is designed to be placed either on a table top or inconspicuously...

Product Description If you are still troubled with the continuous dins of cell phone calls, but you have no idea about how to deal with such situation, then here will be your best choice. This Remote Control Cell Phone Jammer will be the secret weapon to keep you everything in order. Just like other jammer products, this Remote Control Cell Phone Jammer is mainly used in those places where using mobile phones is prohibited such as government, military, finance, security, police and command center etc. Also you can see themm at conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc. This widely used jammer has been into the toppest list now. Don't waste your valuable time and add this one directly into cart, we will send it right now! Specifications: Isolating Signal Bandwidth: _ CDMA:870_894MHz _ GSM:930_960MHz _ DCS/PHS:1805_1990MHz _ 3G: 2110_2170MHz Single Output Power: +35dBm/800mW Power Input: AC110V_220V Power Output:...

Product Description At the beginning of the 21st century, cell phone has started its rapid proliferation. Eventually, its ubiquitous status has raised problems such as their potential use to invade privacy or contribute to egregious academic cheating. In addition, public wills were growing against the intrusive disruption of cell phones in daily life. While more and more civilians are suffered from chronically poor reception, such as high frequency noise. Fortunately, Portable Mini Mobile Signal Jammers are an alternative to more expensive measures against cell phones, such as the portable mobile jammers, which are mostly suitable for building a security environment. Cell phone jammers were originally created for the military and law enforcement to interrupt communications between criminals and terrorists. Some were designed to destroy the success of certain remotely explosives. The civilian applications were apparent too. So over time many companies design jammers for government use...