Eartha T.
It's remarkably efficient and functions…
It's remarkably efficient and functions in utter silence. However, there was no user manual included in the package.

Jammer Master is an online store selling signal jamming devices since 2010.
Jammer Master (jammermaster.com) has 7 customer reviews on Five Star Index, with an average rating of 4.6 out of 5.
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Computers & Phones · ALPHARETTA, Georgia
Excellent
Computers & Phones · Atlanta, Georgia
Excellent

Computers & Phones · Atlanta, Georgia
Excellent

Computers & Phones · Atlanta, Georgia
Excellent
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Eartha T.
It's remarkably efficient and functions in utter silence. However, there was no user manual included in the package.