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.

Excellent
Based on 7 reviews
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Jammer Master is an online store selling signal jamming devices since 2010.
Jammer Master (jammermaster.com) has 7 customer reviews on Folks Told, with an average rating of 4.6 out of 5.
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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.