Product Description: This N6 can create a protected area around you, your vehicle or a meeting. It can effectively shield CDMA / GSM / DCS / 2G / 3G / 4G / WIFI / GPS / BD & other wireless signals as well as other electronic devices for communication around The transmission will not be negatively affected or interfered with. This machine can effectively shield the above wireless signals 5 to 20 meters range. Specification: Model: N6 Decoration: Saudi Arabia / India / Russia / Germany / UK / Global Product: GPS anti-tracker Feature:1. All the latest chip components & integrated circuits are used, which is simple to use & stable in performance.2. The surface adopts the most advanced oxidation treatment in the world, & adopts aluminum shell, which has good heat dissipation.3. The effective avoidance distance radius is 5-20 meters, & the interference radius stil of the signal strength depends on the specific area.4. Easy to carry, low power consumption, no harm to human body, environmental protection. Package Included:1 GPS 4G WIFI anti-tracker (built-in lithium battery)5 x antenna 1 AC / DC adapter 1 car charger