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Some taxi fleet operators to install their own cell phone signal jammer, designed to prevent the use of mobile phones while driving on the way to improve the safety index.
I'm curious how much can the Jammer shielding in the end range, is not there can be 1 km away, it would be too crazy
According to the British National Bureau of Statistics, the world every 10 electronic products, there are eight products from China. GPS jammer is also one of China's major export products.
I do not know how can I buy cheap handy phone signal jammers. Can anyone tell me?
This site has sold, but very good.Cell Phone Jammer
Where can I buy a cheap cell phone jammers?
I know a website URL is this: cell phone jammer for sale.