We all know that mobile phone signal jammers are used in such occasions as the high school entrance examination and college entrance examination, but in fact, as long as it is a more important exam, you can use the signal jammer in the examination room. Many people will be curious, Vehicle Mounted Cell Phone Jammer How big is the Power consumption? ? Today, the editor will give you an analysis. Most of the mobile phone signal jammers are not relatively large models, they are usually relatively small and do not take up space. Therefore, their Power is not very high, there are generally several Power s, the largest is 18W, followed by 16W, and finally the smallest is 12. It consumes only a little bit more energy than ordinary light bulbs. The specific Power selected depends on the distance to be shielded. Therefore, under normal circumstances, it is determined according to the size of the used area. Generally, a room with no more than 50 square meters uses a Power of about 12w. If it is a 100-square-meter room, 18w is usually required. cell phone jammer
The device we often use to prevent cheating in the examination room is a mobile phone jammer. So, what is the use of mobile phone jammers? It is a machine used to block cell phone signals. Its blocking signal covers a wide range. In general, just install one in a classroom. At present, the two common types of Vehicle Mounted Cell Phone Jammer on the market are the built-in antenna and the external antenna. If it has a built-in antenna, just connect it directly to the Power supply. More troublesome is the mobile phone jammer with external antenna. Because the mobile phone signal jammer with external antenna needs to be installed according to the correct steps, it can be used normally. Before installation, you need to check whether the contents of the external antenna mobile phone jammer are all available. The first thing is to see if the host is intact. Next, check the antenna.