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What is Jammer?

What is wireless signal Jammers ? The signal Jammers is designed to block communications between two RF Wireless equipments like Mobile phones and Cellular base station, VHF/UHF Walkie-Talkie, GPS, WiFi 11 a/b/g/n, WIFI, SAT Cell phones, GSM 3G 4G 5G, Radio Phones, Drones UAVs or Remote Controls without interfering with other communication systems.

Principle of operation: Jammer radiate barrage signal at the frequency band used for RF base station down-link transmission. RF devices within Jammers coverage area are unable to decode base station signals and they switch to NO SERVICE mode.

Who uses Jammers ?
Acoustic: Theaters, Cinemas, Schools, Libraries, Concert halls, Studios, Restaurants, Religious places, Museums, Universities etc.

Safety: Meeting Rooms, Hospitals and medical clinics, Airports and vehicles, Computer rooms, Laboratories, Petrol stations.

Security: Police forces, Military, SWAT, Border protection, public events protection, Anti-drug and Anti-terrorist Units, Security Services, Bomb squads, Courts, Banks, Embassies, Customs, Prisons, VIP, protection of property etc

Jammers4u is an OEM Manufacturer that helps you to design your systems. Jammers are used in many different scenarios and to find the best fit for your needs, we care a whole spectrum of jammers for every possible application. However, there are so many different wireless technologies that are in use today, that we can help you to accomplish your goal with the best combinations of bands to suit your needs.

Frequency channels customization are possible, just send us your inquiry and we will give you our best recommendation. As usual our Jammers are designed to cut off down-link only, therefore it doesn’t have Interference to base station and repeaters. You can check which mobile frequencies are in use in your Country on the website

Jammers4u offers proven quality wireless technology equipment tested in many security, military and police projects, and guarantees you reliable operation and stability. OEM Manufacturer, worldwide delivery via DHL express, export and wholesale prices. Warranty for all our products is 2 years.

E-mail:   Skype ID : Senaosales1   Whatsapp: +886978456325

Please do not hesitate to contact us.

Jammers4u Team


ArmyTech :   Alibaba:   Fb page :  YouTube : Drone UAV RC Jammers   YouTube : Cell Mobile GPS Jammer

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