Cell Phone Scrambler Circuit Using Microcontroller
Our mobile phones must emit electromagnetic waves that meet the requirements in order to connect to our communication carrier base stations. Different communication systems use different frequencies so that everyone is safe and does not interfere with each other. Cell Phone Scrambler Circuit Using Microcontroller The basic principle of the device is to transmit the same radio frequency signal as the mobile phone. Because the frequency is the same, the mobile phone cannot distinguish which signal is a regular base station signal, thus realizing "interference". As long as there is a machine with the same frequency as the phone, when the base station tries to connect to the phone, it will make a lot of "noise". cell phone jammer
New 12 Antennas Desktop Mobile Phone 3G 4G...
This powerful new mobile phone WIFI GPS 5G signal jammer is designed with 12 antennas, which can cut off all 3G, 4G, and 5G mobile phone signals, and can also block WiFi GPS LOJACK signals. The interference radius of this device can be as long as 80 ...
$878.78$1609.21
EO-08-08 8 Bands Signal Jammers Desktop GSM CDMA LTE ...
This desktop 3G 4G cell phone signal blocker device has a very good heat dissipation, with two cooling fans, can work all day long. Use of high hardness black aluminum shell, improve product heat dissipation. On both sides of the inlet, the outlet sy...
$460.89$692.52
6 Bands All Cell Phone Signal Jammer 2G 3G 4G WiFi GP...
This 6 bands mobile phone signal blocker can jam al cell phone signal: 2G, 3G, 4G, WiFi, GPS. Is the best choice for school, the examination room, office. Can be isolated from the signal to ensure information security. Apply to all kinds of examinati...
$528.49$789.98
2.4GHz 5.1GHz 5.8GHz Portable Mini Drone Signal Jamme...
This is a drone jammer designed for portability. Small and light, it is ideal for managing illegal drones. Is the first choice of the city security management department, but also to protect their privacy and security good helper...
$949.73$1473.72