Signal jamming effect is good. Love this Portable GPS jammer. Really convenient！

The price is really good compared to others! I love this store!！！

Small size and light weight. Like it very much, much needed to interfere with the function of the GPS device!

Great Jammer, keep up the good work. Good choice!

Has been in use for a long time and has always been in good condition and works great.

Small in size and light in weight, it is really a portable model that I have been looking for for a long time, so I bought it without hesitation, and I like it very much!

I received the GPS jammer very promptly. high quality, excellent!

This GPS Tracking jammer are really cool. Good quality, great range！

Good product. I am very happy. Mini jammers work just fine. Shipping was super fast. Satisfied!

I have now received my order and I am very happy with the speed of delivery. This is a nice product that works just as described. Date added: June 16, 2015 by Hillary Goss

I was so worried about my location being tracked by GPS that I bought this portable signal jammer to use in the car. Works really well and the jammer shipped fast!