Call blocking devices , mini phone jammer devices
The portable cellular phone jammer can block GSM and 3G.Its head looks like cigarette and when you put it in the cigarette case,you can perfectly hide it.And still in your cigarette box you can put two true cigarette in it.So if you want to block the cell phone signals secretly,it is your best choice.
Attention: We do not provide cigarette case.
Small shape,easy to carry，easy to hide.
Cigarette case shape,handheld portable packet.
Frequencies Supported: GSM800,GSM1900,3G
Jamming Radius:up to 10 m (depending on the signal strength in given area)
Power Supply: AC power adapter and car charger