The Mobile Signal Jammer can help to block the mobile signals for any area that are confronted with cellular communication problems: for example, loud incoming call rings, loud telephone conversations, secret leaking and bomb explosion through Mobiles, electromagnetic radiation to gas station, chemical material warehouse and hospital equipments. This product is suitable in executive offices, board meetings, conferences, seminars, libraries, cinemas, religious places, public transport, concert halls, restaurants and educational institutions, Prisons, etc. 

Mobile Signal Jammer transmits strong power radio signals to cut-off communications between Mobile and cellular base-stations, effectively disabling mobile phones within the shielding range of the jammer, preventing them from receiving signals and from transmitting signals. 

Upon activating Mobile Signal Jammer, all idle phones will indicate “NO SERVICE”. Incoming calls are blocked as if the cellular phone is OFF. When Mobile Signal Jammer is turned off, all cellular phones will automatically re-establish communications and provide full service.

• High-power multi-band jammer, DDS technology

• Only interfere downlink frequency of mobile system，without disturb normally working of Base Stations 

• Broadband segment covering, Can jam all wireless signals: 2G, 3G, 4G, WiFi, Bluetooth and GPS. 

• Systematic Smart Cooling System. Use Pelican case, waterproof, shockproof, irrefrangible, dustproof and portable 

• AC mains or DC power，It can be used in car with battery and can be fixed in special occasion.

• Different frequency bands can be controlled independently by single switches

• Power Amplifiers protection design ensures the working reliability of the device