Circuit For Cell Phone Blocker

Anyone who has taken a large-scale exam should have seen Circuit For Cell Phone Blocker . Generally speaking, they are placed at the entrance of the exam room, mainly to prevent someone from cheating with a mobile phone during the exam. Provide candidates with a fair environment. However, how much do you know about the cell phone jammer shielding range? Let's take a look at it together: 1. The shielding range of the wireless mobile phone signal jammer is related to its own power. For example, our SMa-818B5 equipment, each channel of it is 2-3W, and the whole machine is about 30W, which can usually meet the needs of customers; 2. The distance between the site and the base station.

If you buy a low-power Circuit For Cell Phone Blocker and there is a base station within 100 meters, there is basically no shielding effect, because the signal strength of the base station is too strong, you can choose to buy a medium-power machine or a high-power machine at this time; 3. The surrounding environment. The main factor in the surrounding environment is whether the place where you install the mobile phone jammer is a concrete wall, or a glass partition or a steel keel partition. Normal cell phone signal jammers lose a lot of effectiveness after passing through walls. To sum up the above, the shielding range of wireless mobile phone signal jammers is not determined by a single factor. It is recommended to use signal test equipment to test the signal strength of your installation environment before purchasing, or contact our technicians to help you find a suitable solution.