Just tell them the frequency bands that I want to block, soon they told me that this 3G/4G All Frequency Portable Cell Phone Jammer can meet with my requirements. Have bought one and always works well. "
Have tested the jammer after receive it and everything is fine, now I can live a better condition. "
Just take 4 days for me to receive the package in Australia after the shipping. I am satisfied with the shipping speed. "
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