Cell phone signal jammers are only for communication signals

An important part of any phone’s specification is its operating frequency band. The supported frequency bands determine whether a particular phone is compatible with a particular network operator. When buying a cell phone jammer in Germany, you must know the cell phone bands used in Germany.

First introduced in 1992, 2G was the second generation of mobile phone technology and the first to use digitally encrypted calls. 2G networks were the first to offer data services and SMS texting, but their data transfer rates were lower than their successors.

Like almost all European countries, Germany uses the GSM frequency band as the main frequency for telephone communication. The two cellular communication networks are D-Netz and E-Netz, which consist of the D1 and D2 standards of D-Netz E2 and the e-plus standard of E-Netz. The D-Netz network operates using the GSM900 band, while the E-Netz operates using the GSM1800 band.

Use and characteristics of telephone interference Use: The telephone signal jammer only has an effect on mobile phone communication, does not interfere with other harmless electronic equipment, and can be widely used. All kinds of conference rooms, auditoriums, courts, libraries, doctors’ offices, schools, theaters, hospitals; and gas stations, gas stations, oil fields, oil depots, government, military, financial, securities, prisons, public security command centers, or prohibited in any Place to use cell phone. The characteristics of the radio wave jammer All the mobile phone signal interference adopts the latest SMD components and integrated circuits, with advanced performance, convenient installation and durability. The manufacturing process is strict, stable and reliable. In accordance with the quality system, information security is strengthened to ensure safe production, protect the environment, and ideal and reliable safety products.

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