With the rapid increase of mobile phone users, it is almost impossible to avoid interference from other mobile phones of the public. As a result, the United States began to have a small but rapidly developing “public order defender” and began to use a direct method, namely, cellular signal jammers to resist interference. “Nowadays, mobile phone addiction is very common. Some children have poor self-control. Installing signal blockers can prevent children from playing mobile phones in class. At the same time, it also prevents students from ordering takeaway programs on the phone. Parents are also more comfortable. Where there is demand, there is supply. Mobile jammers have emerged at the historic moment and become more and more complex. Some make the appearance of mobile phones, and some make official styles. Users can help themselves within a range of tens of meters to hundreds of meters. Create a “quiet space.” GSM jammers are not a new technology, but in recent years, the demand for jammers in the United States has continued to grow, and thousands of jammers are imported from overseas to the United States every month. According to reports, purchase complaints People include cafes, hair salons, movie theaters and hotel owners, public speakers, bus drivers, and even more bus passengers.
Discussion of different gps jammer. The jam range described in the manufacturer’s specifications may differ from the actual working range. The interference range is affected by factors such as transmission frequency, use environment and battery life. There are various types of signal jammers on the market. If you want to shield the signal in a large area, you can buy expensive jammers. Large jammers have a wide range of interference. There are many antennas installed. You need to consider the frequency and range of interference. I think there is still a lot of work to be done. The easiest way to stop talking on your phone. Considering that most people think frequency interference, radio, radar and cell phone interference is possible. Strong radio signals of the same frequency may interfere with it. Surrounded by tall buildings. The actual blocking range of WiFi radio suppression equipment will be narrowed. Of course, the budget will increase. You can find the information you need on the Internet.