Wireless signal jammer shields mobile signals
Cell phones are electronic devices that need to communicate with other devices through cell towers, and wireless communication requires electromagnetic waves. According to the characteristics of electromagnetic waves, equipment needs to receive within the corresponding frequency range, so signal shielding affects electronic products. The frequency of the device causes the two sides to have different frequencies, thereby achieving a shielding effect. For Bluetooth and wifi, the wireless signal jammer can block these networks. Bluetooth and Wi-Fi frequency bands are added to the scanning range, which can block connections within the scanning range.
Mobile networks and WIFI have become indispensable things in life. It can be said that without mobile networks and WIFI, mobile phones would not have the ability to connect to the outside world. Because the frequency band of mobile network and WIFI signals is generally between 450MHz and 6GHz, the signal jammer can effectively block communication signals in this frequency band. When working, it will emit interference signals that interfere with the base station channel frequency band, and the information cannot be decoded normally, causing the mobile phone to be unable to establish a normal connection with the base station. When the mobile phone cannot determine the service area after multiple attempts, the mobile phone will display no signal, search the network, and is not in the service area.
Different from the traditional co-frequency suppression method, digital technology integrates signal shielding, monitoring and management. This product realizes the supervision function of illegal use of mobile phones in the coverage area by blocking the downlink signals of mobile phones. It can support the shielding of mobile phones of different standards and will not interfere with the uplink of the base station. Wireless signal jammers are effective and low-cost. In the shielded area of the examination room, they can effectively block mobile phone communication services of various operators, including voice, data, SMS and other services. Network standards include 2G, 3G, 4G and 5G. Due to the use of digital technology, the equipment does not produce noise and will not affect meetings, exams, etc. during use.
