Cell phone signal jammer, used in large, middle and small scale prisons

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Basic Info

Payment Type:	T/T, Western Union

Product Description

Functions and characteristics:

Blocks all five signal frequencies of 3G such as GSM/CDMA/DCS/PHS

Shows working power on shell with green lights

Mini size and medium power

Lightweight, nice texture and color

Used to block wireless phone communication links within an effective area

No transmissions or receptions of cell phone call in coverage area

All specified frequency bands will be blocked simultaneously

No harm to human body

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