The selection method and precautions of cell phone jammer are shared.
Shop around and choose products from three companies, and learn more about them through extensive research:
1. Investigate product quality, technical means, brand, etc.;
2. Through online search, get a preliminary understanding and communicate with technicians, and listen to technical explanations;
See the effect of the prison demonstration:
Choose a few, go to the scene to test and demonstrate the shielding effect;
The third part examines the actual effect of the case.
After the demonstration, the application, operation and actual effect of the product in other similar projects can be tested;
During the inspection, bring the mobile phone to the approved shielding area to verify the shielding effect.
Simple and quick way to judge the instrument:
Which equipment to consider
The shielding of the area to be shielded is not strict enough, laborious and not effective enough;
The area that cannot be shielded is seriously interfered, and there are complaints and cannot be used normally;
There is a certain gap between partial belief detection and pseudo base station technology, and there is a gap between ideal and reality. There are no real successful cases in China.
Small in size, the host and power supply are separated, and a circuit board is used inside;
A protective box is required, which is small in size and light in weight;
The natural heat dissipation area is small or the fan is used to assist heat dissipation;
There are multiple internal and external air flows inside the equipment, and the inside is easy to corrode.