Principle Introduction of Cell Phone JammerMobile Communication Principle Introduction
Working principle of the?mobile phone jammer?is as follows: the cell phone works in a certain frequency range and connects with the base station via radio wave. Transmission of data and voice is done with a specific baud rate and modulation system
The? cell phone jammer is the high-tech product elaborately researched, developed and manufactured by our company through adopting the foreign advanced technology and combining the actual situation of the domestic mobile communication. The?cellular phone jammer can block the cell phone signal of GSM/CDMA/AMPS/DCS/PHS in the range of diameter of 25-100m so that the cell phone cannot call or be called but at the same time it will not interfere with other electronic equipments. The cell phone can recover the normal use immediately after leaving the blocking range. The cell phone jammer will do no harm to the human body. Therefore, this kind of product can be installed in such flammable and explosive locations as the petrol station, oil depot, gas station and so on; such locations where using of the cell phone is forbidden as the army, public security system and so on; such locations where the cell phone interference should be prevented and which should be quiet as the hospital, meeting room, concert hall, cinema, school, library, examination room, church and so onAfter service: three-month replacement, one-year repair and free maintenance for three years (the material cost will be handled ad per the actual situation
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