Methods and precautions for selecting mobile phone jammer equipment
1. Shop around and choose products from three companies, and learn more about them through extensive research:
1. Conduct research on product quality, technical means, and brand;
2. Through network search, get a preliminary understanding and communicate with technical personnel, and listen to technical explanations;
2. see the effect of the prison demonstration:
Choose a few of the best ones, go to the site to inspect and demonstrate the shielding effect;
3. The actual effect of the case study:
1. After the product has been demonstrated, the application, operation status and actual effect of the product on other similar projects can be investigated;
2. It is better to bring the mobile phone into the shielded area after approval during the inspection to verify the shielding effect.

4. Simple and quick method of judging equipment:
Equipment that can be considered:
1. The area that should be shielded is not strictly shielded, which is costly and laborious and has no actual effect;
2. The area that should not be shielded has serious interference, and is complained and cannot be used normally;
3. Overly biased detection and pseudo base station technology, there is a gap between ideals and reality.
Unsuitable equipment:
1. Small size, the main unit and power supply are separated, and a circuit board is used inside;
2. It needs to be equipped with a protective box, which is small in size and light in weight;
3. The natural heat dissipation area is small or fans are used to help heat dissipation;
4. There are many places where air circulates inside and outside the equipment, and the inside is easy to corrode;