-Why Choose Callboost Signal Jammer?

-Callboost is majored in signal jammer over 30 years.We have Chinese the topest GPS signal jammer technology only we Amplitec.

-Strict quality index control,harmless to human body.

-Big shield coverage,indoor or outdoor is ok.

-GPS Signal Jammer Have Three Kinds Of Power Supply For Flexibly Using

-GPS signal jammer most is pluging in 110V or 220V power supply. GPS Signal blocker not only can charge the battery but also block the mobile phone signal.

-GPS signal jammer is built-in lithium battery,you can take our portable hand-held GPS signal blocker to coffee shop or cinema etc...

-Car GPS signal blocker can use car power supply,connect the cigarette lighter.

-GPS Signal Jammer Can Block All Mobile Phone Frequency Band

-GPS signal jammer not only can block GPS signal but also block mobile cellphone 2G 3G 4G 5G(In development) wifi frequency band,very functional.

-GPS signal jammer is hand-held designs,very portable and easy to carry.

-Callboost GPS Signal Jammer Average Service Life Is Over One Year

-Callboost GPS signal jammer have CE/FCC/SGS quality certification,ensure good signal blocking effect.

-Callboost GPS signal jammer made with the most advanced technology of China,far better than other jammers.

-Callboost GPS signal blocker have one year warranty,Callboost will provide professional after-sales customer service to everyone.

-GPS Signal jammer surface temperature may be up to 50℃,please stay away from low heat resistance things.

-GPS Signal jammers are easy to install and easy to use. 

Send us inquiry to get code for checking the specifications.