Jammer Cell Phone

Holder Card 2021-07-26

We are now in an era where most junior high school students and above have mobile phones. This is a convenient tool. However, this may cause trouble for others. .. I was asked to be polite, but I was not very thorough. Jammer Cell Phone Can effectively solve this problem. It is installed to ensure the shielding effect. A mobile phone signal jammer with a wide range of applications. Ideal for offices and shops. Use it in theaters, hospitals, military districts, and places where the use of mobile phones is prohibited. cell phone jammer Radio protection device product features 1. Effectively shield CDMA, GSM, SCDMA (Netcom, DCS (1800MHz), PCS (1900MHz), PHS (telecommunications PHS), 3G/4G/ and other mobile phone signals and walkie-talkie signals and all Communication signal, mobile phone signal jammer effective shielding distance is adjustable 1-25m (factory trial run) 5 can be used for vehicle installation direction: mobile phone signal tank antenna direction mobile phone base station do not point, otherwise it will affect the results of use.

In order to choose the right frequency, you need to understand the characteristics of the Jammer Cell Phone device. For example, if you want to block cell phone signals, buy a cell phone signal jammer that can block GSM, 3G, 4G and other frequencies. Some devices have cooling fans and other types of features. It is a good idea to check the functionality of all equipment before purchasing. In most cases, the electromagnetic wave shield for smartphones can ensure peace and order. It comes in various sizes. , Design coverage is wide.