Total 2329 products for how to block a phone call Manufacture & Suppliers

• Indoor Prison Cell Phone Signal Interrupter DIP Switch 15dBi Sector Antenna

  

  ... and other crowded places where the usage of mobile phone is prohibited. You can also use this jammer during the important conference in a meeting room to avoid the leakage of secure information. This unit w...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• Indoor 80W Prison Cell Phone Jammers Four Band for Detention House

  

  ...Phone Jammers Four Band for Detention House Prison Cell Phone Jammer Introduction: For the very important places as the prisons, the military and the some special government agencies protect the information ...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• Handheld mobile phone signal blocker 4 Antennas 4G LTE800 LTE2600MHz

  

  ...s high-performance mobile phone jammer can help you get rid of from the world of mobile phones This jammer is the industry's most effective hand-held jammer, the unique design allow it can use four antennas ...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• Adjustable 4G LTE2600 3G2100 Mobile Phone Signal Jammer WIFI Jammer For School

  

  ...-JB5F, features a built in fan to keep the unit cool during extended periods of use, as well as turn on /off switch selectable settings so you can choose which channels to block. Create a protected zone arou...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• 12W Five Antennas 2G 3G 4G Mobile Phone Jammer / GPS WiFi Signal Blocker

  

  ...Phone Jammer / GPS WiFi Signal Blocker Signal Blocker Introduction: This jammer is one of our most popular combination units, this powerful GPS and mobile jammer will silence all nearby mobile phones, and bl...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• 16W Powerful WiFi Bluetooth 3G 4G Mobile Phone Jammer With Light Weight

  

  ...Phone Jammer With light weight Mobile Phone Jammer Introduction: Looking for the powerful signal jammer that can block the wireless normal signals including WiFi GPS 3G 4G together at the same time. Then her...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• High Power 160W 4G LTE800 LTE 2600 Cell Phone Signal Jammer For Military

  

  ...Phone Signal Jammer For Military Cell Phone Signal Jammer Introduction: For the very important places as the prisons, the military and the some special government agencies protect the information from giving...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• 5GHz Mobile Phone Signal Jammer Blocker , WIFI GPS Signal Jammer Up to 20m

  

  ... blocking nearby cell phones, WiFi, and GPS signals. Powerful and effective, this portable signal jammer effectively disables any WiFi networks, GPS devices, and cell phone signals (on the GSM, CDMA, DCS and...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• 8 Antennas Cell Phone Blocking Device , Portable Signal Jammer With 3dBi High Gain Antenna

  

  8 Antennas Powerful GPS WIFI Cell Phone Jammer With 3dBi High Gain Antenna Cell Phone Jammer Introduction: This high power device is a powerful mobile jammer. With 5.6W of total output power, this unit will jam...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• 6 Bands 90w High Power Prison / Jail Cell Phone Jammer Blocker With Panel Antenna

  

  ... of illegal cell phones in a Prison or Government facility. Prison Solutions to stop smuggled phones from making calls by using RF Jammers. Our prison Jammer uses intelligent spot jamming for communication b...

  Shenzhen Sacon Telecom Co., Ltd

  Guangdong,China

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• DC 5V Desktop Portable Cell Phone Wifi Jammer , 12 watt Adjustable 2.4G GPS Signal Jammer

  

  ... just seen from its name we can know that it owns the ability of blocking 5 kinds of frequencies of the signals of cell phone, WIFI and GPS can be optional. One of the advantage is that it comes with the rem...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• Silver Color Portable Cell Phone Jammer CDMA GSM DCS PCS 3G Efficient Range 0 - 20 Meters

  

  ...Portable Signal Jammer for Cell Phone Mobile Phone Signal Jammer (CDMA GSM DCS PCS 3G) Product Description Features High Power Portable Signal Jammer - a powerful and portable solution for completely blockin...

  Wolves Team Limited

  China

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• 80W High Power Four Band Cell Phone Signal Jammer With 20 to 100m Jamming Meters

  

  ... blocking range that over 20~100 meters maximum, depending on environmental conditions. The cell phone signal jammer supports 4pcs of Omni-directional or directional Antennas, which enable Besides when desig...

  Shenzhen Greetwin Technology Co.,Limited

  Guangdong,China

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• High Power Portable GPS and Mobile Phone Jammer CDMA GSM DCS PCS 3G

  

  ...Phone Jammer(CDMA GSM DCS PCS 3G) Product Description Fed up with continuous dins of cell phones for a long time? No right for your private conversation or private life? Are you eager to get rid of such terr...

  Wolves Team Limited

  China

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• Grey 4G LTE Cell Phone Signal Jammer Portable With 4800mA / H Ni - Ion Battery

  

  .... but you can’t guarantee that everyone can do that.So how could you do? Here the grey portable high power 4G LTE mobile phone jammer will help you keep a quiet place. This mobile phone jammer could block al...

  Wolves Team Limited

  China

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• Long Working Time Mobile Phone Signal Jammer With Build - In AC 110 - 240V Adaptor

  

  ...Phone Signal Jammer has up to 12 antennas signal blocking fuction, 6-8W/Band Output Power is Very Powerful in small size mobile phone signal jammer series, its jamming range could be up to 70m coverage, and ...

  ShenZhen Necom Telecommunication Technologies Co., Ltd.

  Guangdong,China

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• 6 Channel Design Anti Cell Phone Signal Blocker High Output Power Continuous Working

  

  Low Price&Good Quality Mobile phone Signal Jammer with 6 Antennas GSM 3G 4GLTE signal Blocker WIFI2.4G Jammer The latest low price & good quality mobile phone signal jammer 6 antennas for GSM 3G 4G phone signal...

  ChingKong Technology Co.Ltd

  Guangdong,China

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• 6 Antennas Cell Phone Disruptor Jammer Portable Cellphone Signal Jammer

  

  ... which bring us a strong jamming ability. And it can cut off all 3G 4G mobile phone signals, but also jam WiFi GPS VHF UHF LOJACK RF 315 MHz 433MHz signals can be opti INQUIRY PDF ......

  ChingKong Technology Co.Ltd

  Guangdong,China

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• 40dBm High Power Cell Phone Signal Jammer , Cellular Signal Blocker For Signals Shielding

  

  ...Phone Jammer Mobile Cellular Signal Blocker For Signals Shielding Wireless Signal JammerModel: PJ710N Brief Description: network mobile phone signal jammer it adpot ultrahigh frequency broadband jamming tech...

  ShenZhen Necom Telecommunication Technologies Co., Ltd.

  Guangdong,China

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• Water Proof Cell Phone Signal Blocker Device 111 Watt With Perfect Hot Emitting

  

  ...Phone Signal Jammer With Perfect Hot Emitting Wireless Signal JammerModel: PJ710N Brief Description: network mobile phone signal jammer it adpot ultrahigh frequency broadband jamming technology, effective po...

  ShenZhen Necom Telecommunication Technologies Co., Ltd.

  Guangdong,China

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