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source:Industry News release time:2021-09-17 Article author:sznbone Popular:Prison Jamming system
Direct factors affecting the price of signal jammers
The determinant of the price of the mobile phone signal jammer is the user's needs. For example, for an indoor area of 50m*50m, the cost of a nearby unused base station will be lower than that of a base station; the cost of an open indoor area without shelter will be higher than that of a covered one. It should be low; 24-hour uninterrupted full-band shielding will be cheaper than intermittent partial-band shielding; rough trial shielding (only center shielding) is cheaper than precision shielding.
According to the needs of customers, the layout of the site and the strength of radio signals, the shielding system is often built in the form of shielding host + antenna distribution. This is a more professional and effective reliable technology in the shielding field. It is the first choice for military, police, government units and security agencies. The shielding method is more reliable than a single device, and its price also varies with the size of the shielding area and the on-site environment.
In the family, some parents worry that their children will be addicted to the mobile phone network and will consider buying jammers. They often secretly buy signal jammers for hundreds of thousands of dollars. These devices will directly interfere with the use of mobile phones in the neighborhood. The three major operators will conduct investigations after receiving the complaint. If they are found, they may be subject to illegal penalties.
Therefore, the deciding factor in the price of the mobile phone signal jammer is the user's demand. The shielding requirements are high and the price is high, and the low price will be reduced. However, the original intention of shielding is to achieve results without affecting third parties. Therefore, a more perfect shielding will not be too cheap, as the law of value dictates. Therefore, it is still necessary to choose a signal jammer suitable for the customer's use.
The working principle of the mobile phone jammer: It scans from the low-end frequency of the forward channel to the high-end at a certain speed during the working process. This scanning speed can cause garbled interference in the message signal received by the mobile phone, causing the mobile phone to fail to detect the transmission from the base station The normal microwave signal data of the mobile phone cannot be connected to the base station within a certain range. The mobile phone appears as a search network, no signal, no service system, etc., so it cannot be used, and the purpose of banning the mobile phone is achieved. Its operating frequency is: 869 ~94MHz; 825~960MHz; 1805~1880MHz and 1900~l990MHz, etc. The operating frequency bands are CDMA800, GSM900, DCS1800, PCS1900. When the mobile phone leaves the range of the shielding device, it can be completely restored to normal use.
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