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- Can a mobile phone jammer block elderly phones?Recently, a customer asked this question: The original cell phone jammer in the unit has a good shielding effect on smart phones, but the shielding effect on elderly phones is not very good. Why is this? First of all, according to the principle of mobile phone jammer, what the cell phone signal jammer interferes with is the communication signal between the base station and the mobile...0 Commenti 0 condivisioni 886 Views 0 Anteprima
- Can a signal jammer block 4g?Common cell phone signal jammers on the market have operating frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The applicable frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control a range of about 40 meters in diameter, using a DC-DC converter input voltage and 5V output voltage. Before purchasing a jammer, there are several important...0 Commenti 0 condivisioni 324 Views 0 Anteprima
- Cell phone signal jammer protects examsLooking at ancient and modern times, at home and abroad, cheating has occurred in all examinations in the past. It is just that as skills improve, the methods of cheating are constantly updated and changed. Nowadays, with the development of technology, more and more people use mobile phones to cheat, which has become an issue that examination management departments pay more and more attention...0 Commenti 0 condivisioni 527 Views 0 Anteprima
- Does a mobile phone signal jammer affect laptop wireless Internet access?If you want to understand the answer to the question of whether a mobile phone signal jammer has an impact on laptop Internet access, you must first understand the interference frequency band of the mobile phone signal jammer and the frequency band used by laptop computers to access the Internet. First of all, if the interference frequency band of the mobile phone signal jammer overlaps with...0 Commenti 0 condivisioni 814 Views 0 Anteprima
- Does the 5G cell phone jammer have black and white list functions?The mobile phone is connected to the base station through radio within the frequency range, and the data, sound, text, image and other electrical signals to be transmitted are modulated on radio waves and transmitted to the other party. 5G mobile phone jammers emit electromagnetic interference signals whose carrier frequency is the same as the carrier frequency of the base station signal....0 Commenti 0 condivisioni 780 Views 0 Anteprima
- Drone signal jammer: an important tool to ensure safetyWith the popularity and application of drones, drones are playing an increasingly important role in military, civilian and other fields. However, as its scope of use expands, security issues have become increasingly prominent. How to effectively prevent the improper use or malicious attacks of drones has become an urgent problem to be solved. At this time, the drone signal jammer has...0 Commenti 0 condivisioni 847 Views 0 Anteprima
- How can a mobile phone signal jammer interfere with your mobile phone signal?Mobile phone signal jammers have become standard equipment in examination rooms. Not only for high school and college entrance examinations, but also for postgraduate examinations, civil service examinations and various qualification certificate examinations, mobile phone signal jammers are needed to prevent candidates from contacting the outside world through wireless signals. In the...0 Commenti 0 condivisioni 283 Views 0 Anteprima
- How can a mobile phone signal jammer interfere with your mobile phone signal?Mobile phone signal jammers have become standard equipment in examination rooms. Not only for high school and college entrance examinations, but also for postgraduate examinations, civil service examinations and various qualification certificate examinations, cell phone jammers are needed to prevent candidates from contacting the outside world through wireless signals. In the...0 Commenti 0 condivisioni 705 Views 0 Anteprima
- How to choose a 5G mobile phone signal jammer?There are many kinds of cell phone signal jammers on the market, and there are also various machines. Prices also vary. Maybe you may have purchased a cheap machine on a certain platform, but it was useless in actual use. In fact, when buying a mobile phone signal jammer, you don't have to care about its price, because the main buyer must buy it if it is useful. Otherwise, even if the...0 Commenti 0 condivisioni 850 Views 0 Anteprima
- 4 major advantages of mobile phone signal jammersIn the past few years, many types of cell phone jammers have emerged one after another, dazzling everyone. However, in fact, not all products are suitable for everyone to use for themselves. Some products are public, so they are not suitable for everyone to use. Suitable to be used in other fields, there is a very special jammer that often appears around everyone. Its name is a mobile...0 Commenti 0 condivisioni 718 Views 0 Anteprima
- Can the mobile phone signal blocking system only block the mobile phone signal and not the WiFi signal?Mobile phone signal shielding system is also called mobile phone shielding system. This system adopts B/S architecture and can realize remote unified control and management through TCP/IP protocol. Each cell phone blocker has an independent IP address, just like ordinary network equipment. , connect the network cable to achieve networking. Through the mobile phone shielding system,...0 Commenti 0 condivisioni 1003 Views 0 Anteprima
- Detailed explanation of the functions and fields of 5G signal jammers5G signal jammers are built to block the working of communication equipment. The device uses the frequency at which the mobile phone operates, so it cannot affect the use of the mobile phone by receiving signals from the base station. If you want to disable the normal functions of your mobile phone, just install a mobile phone signal jammer, and the mobile phone will stop accepting calls...0 Commenti 0 condivisioni 697 Views 0 Anteprima
- Do cell phone signal jammers need to be adjusted?Signal shielding is required in many places, but many people don't know how to install a cell phone signal jammer. Some people believe that signal jammers can be connected directly to the mains, while others believe that the frequency needs to be adjusted. It's hard to tell if a cell phone jammer is working, so let's look at how signal blocker works. 1. Adjacent channel interference....0 Commenti 0 condivisioni 428 Views 0 Anteprima
- Do you know about wireless signal jammersWhen the mobile phone is working, it connects the mobile phone and the base station through radio waves within a certain frequency range, and completes the transmission of data and sound at a certain frequency and frequency. According to this communication principle, during operation, the cell phone jammer scans from the low-end frequency of the previous walkie-talkie to the high-end...0 Commenti 0 condivisioni 115 Views 0 Anteprima
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