Our society is increasingly dependent on wireless technology. We wake up in the morning, check our email over WiFi, unlock and start our car with the key fob in our pocket, and use our cell phone to make important calls on the way to work. We rely on GPS to guide us when we go to new places. LoJack or wireless locators can locate stolen or misplaced items. On a larger scale, much of our military and civilian infrastructure relies on wireless communications. Unfortunately, these signals are susceptible to another type of wireless device: wireless wifi bluetooth jammer

How do wifi signal jammers work?

Typically, jammers disrupt existing wireless signals by simply flooding them with noise. By tuning the jammer to a specific target frequency range and emitting a high-power noise, tone, or pulse, the jammer can interfere with nearby receivers trying to listen on that frequency. Traditionally, this meant interrupting radio communications, but the same core principles apply to other types of wireless signals - cellular, WiFi, Bluetooth, GPS, etc. Jammer ranges vary depending on the power and size of the device; in urban environments, small handheld jammers may be effective at ranges of 100 meters or less, while large military-grade jammer positions can easily reach hundreds of miles of open terrain.

The strength of the electromagnetic signal recovered by the wireless wifi signal jammer is very weak, which will not cause harm to the human body, but will only block the link between the mobile phone and the base station.
https://www.jammer-mart.com/wireless-wifi-bluetooth-jammer.html
When working, some mobile phones still have a signal, but this is a false signal and cannot communicate. The outdoor signal of the wireless signal jammer is larger than the indoor signal, and the outdoor shielding effect is better.

The electromagnetic signal recovered by the wireless signal jammer only shields the wireless communication signal on the shielding layer, and this signal is always in an absolutely static state and will not affect other electronic devices.

There is also a cooling fan behind our wifi jammer, which won't damage the machine even if it works for a long time. It utilizes the thermal conductivity of the aluminum alloy high-performance radiator to disperse the heat generated when the machine is working.

https://www.jammer-mart.com/images/EOF16/01.jpg

wifi signal jammer wireless wifi bluetooth jammer
出典 : https://www.jammer-mart.com/wireless-wifi-bluetooth-jammer.html

Wifi Jammer Bluetooth Wireless Portable Signal Blockers For Sale
WiFi/Bluetooth jammers can perfectly protect your wireless network security, information privacy and data security.The jammer-mart provide you the best low price, perfect function and high quality wifi/wireless signal jammer, bluetooth blockers.

出典 : https://www.jammer-mart.com/wireless-wifi-bluetooth-jammer.html