Product features:

Effectively prevent GPS satellite positioning and tracking, protect your whereabouts privacy and information confidentiality
Simultaneously effectively shield CDMA/GSM/DCS/PHS/3G/4G and other mobile phone signals Can shield 2.4GWIFI and wireless sneak shot transmission signal Small size, high power, light weight, large coverage, easy to carry

Applicable places:

Vehicles with GPS positioning or navigation Party and government or national key secret places Individuals who need to prevent tracking and anti-sneak shooting

Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan.