Signal Knight Brand Cell Phone Jammer

Model: SK-4 Cell Phone Jammer

Introduction

SK-4 cell phone jammer is a kind of information security product used for blocking cell phone signal around users. It is more and more popular in the security product's market currently. Cell phone jammer causes enough interference with the communication between cell phone and stations to render the phones unusable.

SK-4 cell phone jammer can stop all bandwidth frequency from 800 MHz-2400 MHz within around 20 meters, such as GSM, CDMA, DCS, PHS, 3G, Interphone, Wireless camera, etc. The cell phone jammers are now a necessity for law enforcement and the military to interrupt communications by criminals and terrorists, and also for accomplishing a more cultured society.

Features of SK-4 Cell Phone Jammer

--Prevent cheating by using cell phone in the examinations 
 

--Keeping you away from the noise or disturbance of unexpected cell phone calls or SMS in the class time or meeting time. 
 

--Mini-size medium power cell phone jammer 
 

--Low weight and Nice texture and color 
 

--To block wireless phone communication links within an effective area. 
 

--No transmissions or receptions of wireless phone call in coverage area. 
 

--All specified frequency bands will be blocked simultaneously. 
 

--For using at meeting rooms, conference rooms, museums, temples, mosques, galleries, theatres, concert halls, churches,   restaurants, classrooms, training centers, factories, banks, trains, buses etc.
 

Important Notice:

SK-4 cell phone jammer's effective jamming area is influenced by circumstance around users, such as the distance or locations of the cell tower and the obstacles, between cell tower and the cell phone jammer. In the normal condition, the cell phone jammer will work very less jamming area, when the distance is near or very close the cell tower or cell base stations. As well as, if there are obstacles and walls between the cell tower and the cell phone, the cell phone jammer will give less blocking area.

The SK-4 model cell phone jammer is especially designed for using in examinations for schools, universities and test centers. It doesn’t have a good cooling system, so the cell phone jammer can not be used continuously.

Specification:

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