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Portable cell phone jammers are commonly used by military and law enforcement agencies to prevent explosives triggered by cell phones


Portable mobile phone jammer is a device used to prevent Mobile phone signal tower and mobile phone from receiving signals. They are usually used by the military and law enforcement agencies to prevent threats such as explosives or hostage incidents triggered by mobile phones.

The main purpose of the mobile phone jammer is to jam the radio signal of the mobile phone by transmitting at a frequency higher than or indistinguishable from the active Mobile phone signal. These devices can also block GPS and WiFi frequencies.

Due to various reasons, these portable signal jammer are often used by individuals. They can be a great tool to keep your private phone numbers confidential, or they can be useful when you are holding meetings or other confidential activities. To learn more about this topic, please click here now.

They are also useful for technical personnel engaged in cellular based security systems, wireless products, or GPS tracking devices. For safety purposes, many schools, theaters, cinemas, dormitories, auditoriums, and restaurants use these types of portable jammers.

Some portable phone jammers are designed specifically for specific purposes, such as those developed for prisons. These portable devices are usually slightly larger and sometimes difficult to carry, but they are designed for areas that do not cause problems with commercial signals or mobile phone reception.


These devices can block any mobile cellular network, including 3G, 4G, LTE, CDMA, GSM, and WiFi. They can also be used to block RC signals, such as 868MHz and 315MHz.

The most common signal frequencies for mobile phones vary by country/region, but are typically in the 850 and 1900MHz frequency bands. These frequency bands are typically used in rural areas and may be covered by local operators.

Please note that most countries/regions have laws prohibiting the sale, promotion, and use of cell phone jammer, so please consult the local government before starting to use!

The range of action of portable phone jammers is usually at least 10 meters, but this is not always the case. This is because some jammers have built-in antennas that cannot cover the coverage range of more advanced portable devices.

That's why you should look for portable phone jammers with a wide range. These handheld devices can easily block signals up to 30 meters or more, depending on the strength of your environment and the signal from your phone provider.

The best portable phone jammers can be found in the perfectjammer store. These handheld jammers are easy to use and can help protect your privacy.

Amazing handheld 8-band jammer that can block all major mobile networks, it also has an impressive feature: it can be adjusted through antenna switches! It has a battery life of 1-2 hours, weighs 1 kilogram, and is equipped with a car charger.

The best mobile phone blocker, used to block mobile phones, WiFi, and GPS signals, can be adjusted through antenna switches to control interference power. For those who want value for money, this is a great choice.