The CCJ1890 has been designed for Blocking GSM Cellular Networks and all kinds of Cellular standards in the world. The CCJ1890 is using Advanced Technology for Maximum performance.
The unit controlled by a Microprocessor for PLL programming. The CCJ1890 transmit Noise Signal which cut-off all Cellular Communication between Mobile Phones and Cellular cells.
The Jamming Radius depends on the strength signal in given area. All Cellular Mobile in vicinity of CCJ1890 will be totally BLOCKED and will not be able to receive or dial outgoing calls. When CCJ1890 effect the Mobile the display will show "NO SERVICE".
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