The Cell Phone Signal Jammer Schematic currently on the market is full-band. It can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and China Telecom. The cell phone jammer shields the cell phone card installed in the cell phone, which has nothing to do with the brand and model of the cell phone. As long as the mobile phone uses the cards under China Mobile, China Unicom and China Telecom, they will be blocked. Some posts say that after turning off the automatic selection of the mobile phone network operator, it will not be blocked if the network is manually selected. In fact, this is not correct, because the mobile jammer is aimed at all mobile phone frequencies under the three operators. It is shielded, so no matter how it is switched, it will be shielded, which means that no matter what the mobile phone card is, it is within the shielding range of the mobile phone jammer. cell phone jammer
This cannot be avoided by cracking the number and band, because no matter which number or band you use, it is within its shielding range. There is also Bluetooth software that is not acceptable, because its frequency will also be blocked by the jammer. The only way is to install a mobile phone signal amplifier near the place where Cell Phone Signal Jammer Schematic is used to counter it. When the mobile phone signal becomes stronger, the mobile phone jammer will be more difficult to shield. Handheld signal jammer: easy to carry, flexible to use, built-in large-capacity battery, this mobile phone signal jammer is suitable for offices, hotels, residences, bathrooms, cars, the majority of public servants, people on business trips and hotels, consumers in leisure and entertainment places, and safety Security personnel, bank card users, young women, and other places that need to prevent sneak shots and eavesdropping; meeting rooms, concert halls, cinemas, schools, libraries, examination rooms, churches and other places that need to be protected from mobile phones and kept quiet.
