1.Effectively jamming GPS satellite signals, protect your location privacy and personal information.

1. Shield the frequency band: Before purchasing, you must know which signals you want to shield. The usual mobile phone signal (234G) can be selectively shielded. If you only shield 2, 3G or only 3, 4G, this is possible. Adjusted before leaving the factory. In addition, the

The first thing you need to do with the sale of jammers is to indicate the site you need to shield and the size of the area. In addition, the most important point is whether there are mobile signal towers built by communication operators in the surrounding area of ​​300 to 400 me

The main purpose of the cell phone signal blocker is to block the mobile phone signals of the four major operators, including 2G, 3G, 4G, and 5G signals. The frequency bands covered include at least: 700MHz, 800MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz, 2600MHz, 3400MHz, 35

With the continuous development of science and technology, the mobile network has also been updated several times from the initial 2G mobile phone network to the current 3G, 4G and 5G mobile phone signal networks. At the same time, wireless mobile phone signal jammers have also u

Some of our devices can help you solve your WiFi network problems. First of all, if you change your password, you cannot prevent your child from using WiFi because the password can be cracked by software. But we have a way to prevent them from

2. How to check whether the mobile phone is blocked?