Since there are many types of Radio And Cell Phone Blocker on the market, for example, there are many online stores selling desktop 4G mobile phone signal jammer devices, satisfaction is very important. So here you will have a chance to learn about a well-designed and popular 4G cell phone jammer that can help people in their life and daily work. Below you will find details and features of such devices. The name of this desktop 4G mobile phone signal jammer is "Hengli Refrigeration High Power Desktop cell phone jammer ". It is a high-definition desktop 4G mobile phone jammer, which can be seen from the title. This 2G 4G cell phone signal jammer also has a nice design. For example, the 4G signal shielding device adopts a constant cooling system design.
Desk phone jammers don't generate high temperatures that are detrimental to the shielding unit itself. Instead, it supports 24-hour uninterrupted operation, producing high temperature and good results in signal cutting in the 851-894 MHz, 925-960 MHz, 1805-1990 MHz, 2110-2185 MHz frequency bands. Cell phone signal jammers have become standard in exam rooms. Not only high school and college entrance examinations, but also postgraduate exams, civil service exams and various qualification certificate exams, Radio And Cell Phone Blocker require that candidates be prevented from communicating with the outside world through wireless signals. Using our mobile phone signal jammer in the test room will interfere with various mobile phone signals (2345G), wireless intercom signals, Bluetooth WiFi signals, etc. So let's talk about cell phone jammers,
