what can block a wifi signal

Brand Name:WolvesTeam

Place of Origin:china

Product description: This high power output of 510W so that this high power signal blocker owns up to 600 meters jamming distance depending on the signal strength in the given area. Besides as this high power multi-purpose signal blocker owns 8 antennas...

Place of Origin:China

Brand Name:ACE/ACN/OEM/Neutral

Model Number:ACE-J121A

...really need silenced surroundings. For those purposes the portable blocker is you best choice. The 4 Band 2W Portable WiFi, Cell Phone Signal Blocker prohibits all enabled signal from bothering your private space. This product can block signals which comes

Brand Name:GREETWIN

Model Number:GW-J5M

Place of Origin:China

5W GPS GLONASS Galileo WIFI GSM UHF Jammer Module Mobile Signal Jammer Module Model: GW-J5M Color: Grey Mobile Signal Jammer Module Introduction: GREETWIN TECH have part of R and R wireless solutions R&D ODM/OEM manufacturer group, he is specialized for ...

Brand Name:ChingKong

Model Number:CKJ-1806P16-5G

Place of Origin:China

Product Information Name: World First Handheld 5G Cell Phone Signal Jammer With 16 Band Hidden Antenna Blocking 5G Wi-Fi5G RF Signal Jammer ,12Watt Jamming up to 20m Model: CKJ-1806P16-5G Color: Black Basic Specifications Jam Signal Type:Full Bands Mobile ...

Brand Name:ChingKong

Model Number:CKJ-1806P16-5G

Place of Origin:China

Product Information Name: World First Handheld 5G Cell Phone Signal Jammer With 16 Band Hidden Antenna Blocking 5G Wi-Fi5G RF Signal Jammer ,12Watt Jamming up to 20m Model: CKJ-1806P16-5G Color: Black Basic Specifications Jam Signal Type:Full Bands Mobile ...

Brand Name:VBE

Model Number:VBE-6H

Place of Origin:China

6 Bands 6W 30dBm portable phone signal Blocker , Handheld Signale Jammer for GSM , CDMA , DCS , PHS , 3G , 4G Product Introduction: Handheld mobile phone signal shielding device(aka portable mobile phone jammers / breaker / suppressor / chopper / isolator...

Brand Name:SHY

Place of Origin:China

Radio signal jammer for CDMA 2G 3G 4G 2.4 WI-FI with 6 antennas 8-10W PER band and 80m blocking range Jamming Range Radius 10~20 meters The jamming distance will be varied depending on the signal strength and location. Good cooling system with unique case...

Brand Name:wolvesteam

Model Number:JM170170

Place of Origin:China

...-1580 MHz, Lojack 167-175MHz. With 18W high power output and 8 external high gain antennas, the jammer can efficiently block all mobile phone 2G, 3G, 4G signals as well as disable lojack, Wifi, GPS devices within a

Brand Name:SHYT

Place of Origin:China

World First High Power Portable 6 Antennas All-in-One Full Band cellular signal jammer With Plastic Shell Specifications Affected Frequency Ranges: -CDMA 850 : 850-894MHZ -GSM 900 : 925-960MHZ -DCS 1800 : 1805-1880MHZ -PCS 1900 : 1930-1990MHZ -3G 2100: ...

Brand Name:SHYT

Place of Origin:China

Cellular signal jammer for GSM 2G 3G 4G 2.4 WI-FI with 6 antennas and 80m blocking radius Each of 6 frequency module/band is separate and with adjustable power from Max to OFF(0) All Frequency can mix in 6 bands very flexible, Options: Remote/Alarm Control...

Brand Name:wolvesteam

Model Number:JM110844

Place of Origin:China

Product Description: This Portable High Power Wireless Anti-explosion Jammer is the most advanced high efficiency cell phone and satellite signal jammer in the whole world which is professionally designed for bomb disposal and VIP protection like during ...

Brand Name:NUO AN YUE

Model Number:GT-7

Place of Origin:Shenzhen, China

Product Description: The modern world is saturated with waves of communication: cell phones, Wi-Fi networks, and GPS signals are ubiquitous, providing convenience but also posing potential security risks. The sophisticated High Frequency Jammer is an ...

Brand Name:wolvesteam

Model Number:JM170170

Place of Origin:China

...-1580 MHz, Lojack 167-175MHz. With 18W high power output and 8 external high gain antennas, the jammer can efficiently block all mobile phone 2G, 3G, 4G signals as well as disable lojack, Wifi, GPS devices within a

Brand Name:vodasafe

Model Number:P6Plus05

Place of Origin:China

LojackGpsL1L2L3L4L5Wi-Fi Portable Six Antennas Signal Jammer/Lojack Portable Jammer P6plusB jamming for Fullband GPS/Glonass/GalileoL1-L5 tracking device/Lojack/Wi-Fi 1 . Lojack:173MHz 0.7W 2 . GLONASS GPS L2:1220-1260MHz 0.7W 3 . GPS L3 L4:1370-1380MHz 0....

Brand Name:vodasafe

Model Number:P16N

Place of Origin:China

Multi bands high power in mobile phone signal jammer fields, its battery is most powerful, the outer casing is made of aluminum with heat sink and built-in Fan for long-term operation. High Power Portable 16Bands Jammer/Blocker Vodasafe P16N Brief ...

Brand Name:vodasafe

Model Number:P16N

Place of Origin:China

Multi bands high power in mobile phone signal jammer fields, its battery is most powerful, the outer casing is made of aluminum with heat sink and built-in Fan for long-term operation. High Power Portable 16Bands Jammer/Blocker Vodasafe P16N Brief ...

Brand Name:vodasafe

Model Number:P6Plus05

Place of Origin:China

LojackGpsL1L2L3L4L5Wi-Fi Portable Six Antennas Signal Jammer/Lojack Portable Jammer P6plusB jamming for Fullband GPS/Glonass/GalileoL1-L5 tracking device/Lojack/Wi-Fi 1 . Lojack:173MHz 0.7W 2 . GLONASS GPS L2:1220-1260MHz 0.7W 3 . GPS L3 L4:1370-1380MHz 0....

Brand Name:SHYT

Place of Origin:China

Adjustable UHF VHF Jammer for Cell Phone 4G 3G Wifi 8 bands Jamming Area: 0~30 Meters in diameter depending on signal strength and working environment Total Output Power: 16W Power Supply:AC100-240V DC12V Size: Antennas off - 290 x 112 x 52mm(L x W x D) ...

Brand Name:GREETWIN

Model Number:GW-JN8Pro

Place of Origin:China

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 cell CDMA / GSM / DCS / 3G/4G up to 25 meters...

Brand Name:wolvesteam

Place of Origin:China

Product Description: Feature: --Prevent cheating by using cell phone in the examinations --Keeping you away from the noise or disturbance of unexpected cell phone calls or SMS in the class time or meeting time. --Mini-size medium power cell phone jammer --...