There are many types of signal blocking devices on the market today. This type of device is called a full-band signal blocker. People also call it a cell phone blocker, signal blocker, signal jammer, wifi signal blocker, etc. The working mode of the full-band signal blocker is determined by the power of the sound wave emitted. The emitted signal can form a shielding space for all signals in a specific space in a spherical or fan-shaped manner, which makes mobile phones and other communication devices lose their connection with the base station. After the full-band signal blocker is turned on, the signal will be directly blocked after the 3-second startup time has passed, so that the effect of mandatory prohibition can be achieved.
Full-band signal blockers can be used in various examination rooms, conference halls, gas stations, cells and other places, and the full-band blocker in the examination room is the most common one for us. Candidates who have applied for the exam are connected to the full-band signal blocker, which is also to ensure that the fan-shaped test is fair and reasonable.
What is the actual effect of the interference signal of the full-band signal blocker? How to choose a full-band signal jammer that suits you?
Nowadays, those formal examination rooms and classrooms generally only need to install a full-band signal jammer to effectively interfere with all signals in the area, and the effect is very helpful. The signal shielding equipment is generally installed on the podium, and some are installed in the middle of the fixed area on the roof of the classroom.
We mentioned in the product manual that the full-band signal jammer for sale will have a maximum shielding range, and the actual effect needs to be determined according to the actual site effect around the examination room, and whether the signal strength of the examination room is installed with a signal jammer. If a signal jammer is installed in the examination room, then a high-power full-band signal jammer needs to be replaced.
In the multi-functional hall of the university, you can choose to assemble the full-band signal jammer in front, behind, left and right of the classroom to obtain a better shielding effect.