Detailed Product Description

***it can be adjusted the jamming strength depending on different demands. The can be used in practically any location, especially in schools, meeting rooms, churches, banks, and so on.***

Jamming Area:    0.5 meters to 15 meters
3G:              1755-2400Mhz
Battery Capacity:Built-in Battery: 4V/1600mA/h
 
Dimension:       20 (L) * 19(W) * 7(H) cm
 
Net weight:      0.3KG
 
Working Time:    1-2 Hours

 
Power Consumption:2 Watt

(1)Effective guard 3G signal bandwidth position tracking
(2)Effective disturb 3G signal bandwidth, protect your private activities
(3)Portable, Small, Compact and Robust.
(4)Built-in high capacity Li-ion battery, it can work continuously
(5)Using option car-charge to offer the power
(6)To keep you away from noise or disturbance of unexpected cell phone calls or text messages (SMS)
(7)World wide compatible.
(8)To block cell phone communication links within an effective area.
(9)No transmissions or receptions of cell phone call in coverage area.
(10)All specified frequency bands will be blocked simultaneously.
(11)For using at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples,

restaurants, classrooms, training centers, factories, banks, trains, buses etc.
(12)Easy to operate.