This mini small jammer can be used in conference rooms, conference rooms, museums, art galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses, etc.It needs to be quiet and confidential And information security.
This is a mini portable hidden type multi - purpose smartphone signal blocker. First of all, the design of this device is very portable. The size of 20mm*20mm*26mm can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use. Third, although the device is very small, but it can also interfere with multiple signals
This cell phone network blocker holster can effectively jamming mobile phone signals, so you will not be disturbed by incoming calls. When someone dials the phone, you will receive a "The user you are calling is temporarily out of service."
This desktop 3G 4G cell phone signal blocker device has a very good heat dissipation, with two cooling fans, can work all day long. Use of high hardness black aluminum shell, improve product heat dissipation. On both sides of the inlet, the outlet symmetrical layout of the formation of convection, two silent fans will heat out to ensure that the host work stable
This cellular signal blocker has a very convenient single frequency switch. You can choose to open or close a frequency band as needed. With good heat dissipation system, it can work for a long time. Can block the main mobile phone band and WIFI and GPS signals