Features:

- 100% brand new and quality cell phone signal jammer

- Creates enough interference to block all cell phone signals around you (GSM / CDMA 850Mhz~960Mhz / DCS/PHS 1805Mhz~1990Mhz / 3G 2110-2170 MHz)

- Fully metal construction - creates a solid and techie feel

- Creates a 1 ~ 20m radius of cell phone signal block out area

- Built-in 2500mAh Li-battery lasts 2 to 3 hours, also works and charges on AC adapter and DC Car charger

- Low power consumption and will do no harm to human body and environment-friendly

- Light weight, fits-in-a-pocket size

Perfect for the following occasions:

-Class rooms and small seminar halls

-Meeting rooms and board rooms

-Classrooms or churches

-Private offices

-Bus and vehicles (imagine how you can finally have a good undisturbed nap)

-VIP and privacy-sensitive senarios

Specifications:

-Type of networks blocked: GSM/CDMA/DCS/PHS/3G

-Isolation signal frequency:

GSM / CDMA 850Mhz~960Mhz / DCS/PHS 1805Mhz~1990Mhz / 3G 2110-2170 MHz

-Total transmit power: 3W

-Effective coverage radius: 1-20 meters (depends on carrier networks)

-Battery: Built-in rechargeable Li-battery DC12V 2500mAh

-Dimension: 113(H)*60(L)*30(W) mm

-AC Charger: AC110~220V

-Operating temperature: -30~60'C

-Operating humidity: 5~95%

-Storage temperature: -50~+60'C

Package Included:

1 x Jammer

1 x Charger

1 x Car charger

1 x User manual