Small jammers avoid these
Today's signal shielding technology is very mature. In particular, the application of small radio signal jammer is expanding. It can play a decisive role in meeting your requirements. For many, small jammers are common in our lives. At least not surprising. Compared to the use of professional army and police jammers, the small shut-off device is technically mature. The blocking effect is sufficient for the average user.
Therefore, jamming devices on the market are beginning to enter into price competition. There are some things to keep in mind when buying low-priced products. The blocking effect is very good, but there are many problems when using it. When using a small cell phone jammer, it cannot be directly connected to a voltage of 220V. Use the power adapter to adjust the voltage to 12V. Electromagnetic waves from the power adapter may interfere with the jammer. Many schools place small barriers in small separate corners. Avoid the surrounding lines. The installation of cloaking devices is a very important part. It is best to avoid strong wires. You can increase safety. You can also guarantee the effect of shielding. 220V used in daily life is also a powerful line. If you place a jammer, its position will also affect the shielding effect. The place to install the telephone jamming device is unreasonable. It can lead to blind spots in some areas. Place this device after proper investigation.
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