Depending on the specific needs of a particular signal jammer, users can search for wholesalers and their decentralized service companies to find them. So if users want to buy most of these frequency blockers, they can connect them to the company. As the company goes to great lengths to ensure that users buy these jammers at a reasonable price, they can also save a lot of money.
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A jamming device transmits on the same radio frequencies as the cell phone, thereby disrupting communication between the phone and the cell phone's base station in the tower. It is an attack called denial of service. The jammer refuses to provide the radio spectrum to mobile phone users within range of the jamming device.
While the law clearly prohibits using a device to actively disrupt a cell phone signal, there are no rules against passive blocking of cell phones. Companies are working on devices that control a cell phone but don't "block the signal". A device sends incoming calls to voicemail and blocks outgoing calls.
The 5-antenna hand-held jammer with a golden design. The interference frequencies include GSM, 3G cellular signals, GPS, WiFi, Bluetooth, and wireless video frequencies. The lightweight and portable appearance is favored by customers. Small size, light weight, convenient for you to use anywhere. It can work when the power switch is pressed.