Up to a distance of 500~1000M. It simply plugs into an ordinary car cigarette lighter socket and is active immediately blocking all types of tracking and navigational devices.

Only GPS jammers will prevent the GPS loggers and GPS/GSM devices to get GPS positions from the Satellites.

Specifications:

Effective range: Up to 500~1000 meters
Input power: 110-240V
Output signal strength: 100W
System: All systems worldwide
Signal source: Synthesized
Operation temperature: -10c to +50c
Humidity: 5% to 80%

[product_url:] Super GPS Jammer Signal Blocker 100W
[pdf_url:] http://www.paddyrats.com/SuperGPSJammerSignalBlocker100W403_13.pdf