• 2022-12-28

Nowadays, many mobile phone users use dual-card mobile phones, that is, a mobile phone is installed with 2 SIM cards and has 2 mobile phone numbers, and the operators and mobile phone signal strengths of the 2 mobile phone numbers will be displayed on the mobile phone. on the screen. Then the questi...

• 2022-12-28

When the mobile phone is within the effective shielding range of the mobile phone signal jammer, the phone's voice call function and Internet data transmission and other functions will be cut off, and the signal grid on the top of the display screen will also disappear. At this time, the mobile phon...

• 2022-12-25

Nowadays, many conference centers have installed mobile phone jammer systems. The main purpose is to allow the attendees to focus on the content of the meeting during the meeting, instead of sitting in the venue and constantly playing with their mobile phones. At the same time, there is a particular...

• 2022-12-24

In the past ten years or so, it has become common for schools to purchase and install mobile phone jammer systems, but most schools only use them as anti-cheating safeguards during the examination process, and only in some of the more important types of examinations. It will only be used in high sch...

• 2022-12-24

Now the common radio frequency jammers for outdoor applications, the nominal interference frequency range is usually marked as 20MHz-6000MHz, some careful and familiar with some radio knowledge enthusiasts may find: the common operating frequency of FM radio (87.5 MHz-108MHz) is completely covered i...

• 2022-12-24

In most cases, when installing and using a mobile phone signal jammer, it is required to shield the mobile phone signal and the WiFi signal at the same time. The WiFi signal here includes WiFi2.4G, Bluetooth, WiFi5.8G, etc. However, there will also be some occasions with special requirements. Custom...

• 2022-12-24

A standard cell phone signal jammer, because it needs to take into account all 2G, 3G, 4G and 5G frequency bands must be effectively shielded at the same time, so generally no less than 10 signal shielding modules are installed inside it, each of which shields The modules will correspond to a c...

• 2022-12-24

When customers ask us about the product functions and technical specifications of the shielding equipment, they sometimes make such a clear request: can the shielding distance of the 5G mobile phone jammer they want to purchase be accurately controlled at a position of 5 meters or 10 meters? Because...

• 2022-12-13

In the current various types of examinations, the examination room jammer has almost reached complete popularity. It has been used as an important guarantee weapon to maintain the order of the examination room and ensure the fairness and impartiality of the examination. In the process of building a ...

• 2022-12-13

In recent years, the demand for vehicle-mounted frequency jammers has been greatly improved, especially in terms of high-power models, which are particularly favored by police departments. However, in the stages of vehicle modification and equipment integration during the equipment selection and del...