how to block mobile signal

...world if you like. 30 watt output gives it function of up to 70 meters coverage.With cooling fans,it can work non-stop,which means 24 hour...

...,4G,4GLTE,WIFI,GPS,Lojack,VHF,UHF,315,433,etc. Powerful 10 bands adjustable entirely cover the phone frequency within 1-40 meters rad...

All In One 5G Sigmal Jammer Device GPS WiFi RF With Backpack type Product Description: This 50W high power phone jammer ...

... Jammer Phone 2.5dBi Omni Antennas This portable jammer GW-JN8DGN design 8 channels with 4 antennas. digital noise...

...uhf, wifi 2.4g, wifi 5.8g, 315, 433, 868 etc . This jamming device can 16 bands in one set, total power is 12w, jamming range can be r...

12 Bands 30W Mobile Signal Jammer Blocker Camera Signal Jammer Supplier With 1 Year Warranty! Frequency Can Be Customized! Specification 1.Block Frequ...

Cellular 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, o...

... Wireless Jammer / Phone er With Remote Control The surface are free to laser any words and logo. Desktop type Hidde...

6 Bands 6W 30dBm portable phone signal Blocker , Handheld Signale Jammer for GSM , CDMA , DCS , PHS , 3G , 4G Product Introduction: Handheld mobile ph...

Product Information Name: Mobile phone Signal Jammer 8 Antennas 3G 4G Phone signal Blocker with 2.4G GPS Model:CKJ-1702S8 Color: Black Basic Specifica...

Four Antennas Portable Jammer for Phone s And Wi-Fi/GPS Description: Portable Black color 4 bands cell phone jammers with 4pcs Omn...

Product Description: This 90W high power phone jammer has used many advanced technology such as the Digital Frequency Sweep technology to reach the go...

High Power School WiFi Phone Blocker Jammer Product Introduction This High Power Campus Wi-Fi Phone Blocker Jammer is widely used in prisons, schools,...

Presently Commercial drones has raised a privacy concerns among the people since most of the drones flies equipped with high quality cameras which can...

..., conference rooms, concert halls, etc., and noisy phone calls and video voices. High power phone jammer This high-power ...

We have 4 versions for this model with same appearance but with different color and blocking frequency: J130A can block 3G+GSM+CDMA+DCS+PHS Signal in ...

Mobile Signal Jammer with jamming frequency of 0.8GHz to 6GHz and maximum jamming distance of 30m Description ZD-GR001 mobile signal jammer applies in...

... phone shield 2g.3g.4g.5g Phone Jammer WiFi network blocking GPS jammer Product Name Wireless Jammer brand...

... Phone Jammer All 2G.3G.4G.5G Phone s and GPSL1 WIFI Lojack s This 12 antennas multifunctional hand-held p...