Maintenance:
1. When the shield is not in use, it should be stored in a dry and ventilated place to avoid long-term exposure to salt spray and harmful gases. Signal blocker;
2. When the signal jammer for sale is working, do not put other objects on it or disassemble the antenna, so as not to affect the effect of the jammer and damage the host;
3. Mobile phone signal shielding antenna with external antenna - it cannot be screwed wrongly, it must be screwed up according to the frequency;
4. The cell phone jammer should be installed away from high temperature and humid places. When using the jammer outdoors, pay attention to waterproofing;
5. Do not use a completely sealed box to cover the outside of the mobile phone signal jammer in order to hide it. This will affect heat dissipation and cause damage to the machine;
6. The antenna must be installed on the jammer and then connected to the power supply;
7. The shield should be placed in a well-ventilated place, try to avoid large objects, strong heat sources and strong electromagnetic sources to maintain the shield effect and work for a long time;
8. If the power supply of the mobile phone signal jammer is not industrial grade, remember not to turn it off 24 hours a day, as this will shorten the life of the power supply and the machine;
9. When wiping the surface of the shield, avoid using chemical solvents and avoid water entering the machine;