1. When the mobile phone signal jammer is not used, the storage environment should be kept dry and ventilated to prevent long-term exposure to salt mist and harmful gases.

2. When the mobile phone signal jammer is running, it is not allowed to place other items on it and disassemble the antenna to avoid adverse effects on the effect of the jammer and damage to the host.

3. Correctly tighten the mobile phone signal shielding antenna of the external antenna, which needs to be screwed up according to the corresponding frequency.

4. The installation of mobile phone signal jammers needs to be kept away from high temperature and humid places, and the jammers installed outdoors need to take waterproof measures.

5. Do not use a completely sealed box to cover the device in order to hide the cell phone jammer, because this will affect the heat dissipation effect and cause damage to the machine.

6. Be sure to install the antenna, and then turn on the power.

7. The mobile phone signal isolator should be installed in a well-ventilated place, as far as possible away from large objects, away from strong heat sources and strong electromagnetic sources, so as to ensure the effect of the isolator and to carry out longer working hours.

8. If the power supply of the mobile phone signal jammer is not industrial grade, it cannot be used 24 hours a day, because this will greatly shorten the service life of the power supply and the machine.

9. If the product does not have a power switch, it is recommended to use a power socket with a switch.

10. When wiping the surface of the machine, do not use chemical solvents, and prevent water from entering the machine.