what can block a wifi signal

Brand Name:EST

Model Number:EST-502F16

Place of Origin:CHINA

16 Antennas Mobile Phone Signal Jammer Adjustable all frequencies Blocker for military use This 16 bands cell phone jammer block 2G signal such as GSM / CDMA / DCS / PHS, 3G, 4G, VHF, UHF, Wi-Fi, GPS, L1, L2, L3, L4, L5, LOJACK, 433MHz, 315MHz, 868MHz all...

Place of Origin:China guangdong

Brand Name:EST

Model Number:EST-505K3

...WiFi Signal Jammer With Directional Antenna Do you want to own a signal jammer that can block all the GSM, CDMA, DCS, PCS, 3G, 4G Wimax,WiFi? The latest adjustable 3G 4G Wimax mobile phone signal wifi jammer with built-in directional antenna is just available here. This is a 16W output power 3G 4G Wimax cell phone signal jammer and Wifi...

Brand Name:EST

Model Number:EST-802J12

Place of Origin:Guangdong, China

..., is designed for blocking mobile phone signal in exam room, to prevent high-tech cheating. EST-802J12 is able to jam 3G/4G/5G mobile phone and WIFI signal, within 1-15 meters radius. Mobile phone will be out of signal and services, and be disable to call

Brand Name:vodasafe

Model Number:P18

Place of Origin:China

High Power Portable 18Bands Jammer/Blocker Vodasafe P18 Brief Description: Vodasafe portable jammer P18 its latest model in market , fits handheld using. it can effectively block CDMA,GSM,3G UMTS,4G LTE,5G cellphone ,GPS,Wi-Fi/Bluetooth ,Lojack ,Remote ...

Brand Name:vodasafe

Model Number:P18

Place of Origin:China

High Power Portable 18Bands Jammer/Blocker Vodasafe P18 Brief Description: Vodasafe portable jammer P18 its latest model in market , fits handheld using. it can effectively block CDMA,GSM,3G UMTS,4G LTE,5G cellphone ,GPS,Wi-Fi/Bluetooth ,Lojack ,Remote ...

Brand Name:EST

Model Number:EST-804K12T

Place of Origin:Guangdong, China

...Mobile Phone and WIFI Signal Jammer 1. Introduction EST-804K12T synchronization mobile phone and WIFI signal jammer, adopted with broad band scanning technology, is able to block 2G, 3G, 4G, 5G mobile phone signal and WIFI/Bluetooth signal. Suitable for ...

Brand Name:GREETWIN

Model Number:GW-JA6A

Place of Origin:China

...WiFi Signal Jammer / Wireless Signal Blocker For Secret Meeting Wireless Signal Blocker Introduction: Are your employees spending more time on social media than they are taking care of business? Are your students cheating on exams in the classroom? The highest rated of our fixed jammer models,GW-JA6, can block...

Brand Name:GREETWIN

Model Number:GW-JB5F

Place of Origin:Shenzhen,China

...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 block GPS signals, up to 40 meters away (this depends as always on local signal...

Brand Name:GREETWIN

Model Number:GW-JN8

Place of Origin:China

... 3G 4G all phone signal blocker GPS jammer is one of the latest and most powerful handheld model available on the market. This is a powerful jammer with dual function-one is to anti GPS tracking device and the other is to block mobile phone signal to

Brand Name:Sacontelecom

Model Number:SA-PJ08

Place of Origin:China

.... Can block 8 frequencies, frequencies can be customized. and have a very large jammer range. With a separate frequency control switch, you can select the frequency range that needs to be disturbed as ...

Brand Name:EST

Model Number:EST-504K10

Place of Origin:Guangdong, China

...CDMA/AMPS/DCS/PHS/3G/4G/5G, and 2.4G WIFI signal. Disable the cell phone from call in or out, or text massage. EST-504K12 does not disturb other electronic devices operation and harmless to human body. 2. ...

Brand Name:Sacontelecom

Model Number:SA-BJ06

Place of Origin:China

..., PCS, 3G, 4G, Wifi and etc. This manpack mobile phone jammer has high power, each band is up to 10w. Total 60w. Jamming range can up to 80 meters. It is with LCD ...

Brand Name:EST

Model Number:EST-808HF

Place of Origin:Guangdong, China

...WIFI signal Jammer 1. Introduction EST808HF is designed for jamming mobile phone and WIFI signal, preventing information leaking and Internet hostile activities. Adopted with advanced communication technology, is able to block low frequency range signal...

Brand Name:Bochuangshikong

Model Number:BCSK-D-G-4KT

Place of Origin:shenzhen

...time brand wireless signal jammer 95W high power 4 bands all signal jammer block wifi+GPS +RF, 5g signals jammer, range up to 150 m Features 1. Shielding signals Large coverage: covering all 2G, 3G,4G,2.4G WIFI,GPS cell phone signals, it can meet your ...

Brand Name:TX TELSIG

Model Number:TX-NZ-8

Place of Origin:Shenzhen,China

...Signal Jammer Shield Cell Phone GSM 2G 3G 4G 5G Jammer GPS WiFi Signal Blocker This signal shielding device with internal antennas TX-NZ-8 is our factory using advanced technology, for the contiuous developmentof communication standards, according to the actual situation of domestic and international wireless communication to develop a successfu high-tech products.The signal scrambler can effectly block phone signal...

Brand Name:EST

Model Number:EST-505F Series

Place of Origin:CHINA

...Signal Jammer can be customized in 8/10/12/16 channels, to block all phones GSM, DCS, 3G, 4G LTE, 5G, WiFi, VHF, UHF, RC 315MHz, RC 433MHz, GPS, Lojack and etc. Specifications TX Frequency 869-894MHz CDMA 925-960MHz GSM 1805-1880MHz DCS 1900-1990MHz PHS 2110-2150MHz 3G 2400-2500 MHz WIFI...

Brand Name:EAST

Model Number:808N1

Place of Origin:CHINA

EST-808N1 mobile phone + 3G + WIFI jammer Specifications TX Frequency CDMA: 850-894MHz GSM: 930-960MHz DCS:1805-1800MHz PHS: 1900-1990MHz 3G: 2110-2170MHz WIFI: 2400-2500MHz Available system: Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM, 3G, DCS, ...

Brand Name:wolvesteam

Place of Origin:China

Product Description: This Omni- Antenna Cell Phone jammer still blocks the signal of mobile phone WIFI and its nearby base station. Exquisite design with so low radiation that does no harm to human body and environment. Once you turn it on, it will do no ...

Brand Name:SHYT

Place of Origin:China

...signal jammer for 4G (4G LTE + 4G Wimax) 3G Wifi Cell Phone 6 Band Jammer With 6 powerful antennas, the shielding radius is 5 to 40 meters, of course, the jamming radius still depends on the strength signal in given area ; the stronger jammer can block all signals in this range. You don’t worry about the uplink.The jammer could not interference the uplink station signal; just jam the signals...

Brand Name:SHYT

Model Number:QM-K.

Place of Origin:China

30W Full bands Radio signal jammer -Cell phone GSM 3G 4G LTE Blocker wifi UHF VHF LF jammer This is the adjustable full-band signal frequency jammer, model: QM-K. We use foreign advanced technology. It is the well-developed high-tech products that ...