This range of portable and mini GPS Jammers combines a number of advanced features into its design. These jammers are effective in preventing cars of intelligence agency, Government officials or any renowned persons from being tracked without interfering navigation system of that car. These jammers can even prevent persons from being tracked. Offered range of GPS Jammers can interfere with satellite signal by using interposition and interdiction code. Design of this product range conforms to international norms. These small volume jammers are convenient to carry and simple to set up.