With the development of the GPS global positioning system, many countries have also begun to develop their GPS systems. For example, China’s Beidou and Russia’s GLONASS. But the use of GPS also troubles many people. Like tracking systems, which impede people’s privacy. GPS jammers were invented to block such tracking systems. People need to use [...]
WIFI signal is becoming one of the most commonly used signals in daily life, whether, in private residences or public places, the use of WIFI signal is becoming more common. Although the use of WIFI signals is so ordinary, many people worry about the impact of WIFI on their lives. There are many ways to [...]
More and more mobile phones are used with the development of society. Despite the convenience, these mobile phones have brought us, there are situations where individuals tend to be affected by these devices, causing anxiety, so at some point, we try to block these signals. So in this project, we will study step by step [...]
What is radio frequency used for? Radio frequency (RF) is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 gigahertz (GHz) to as low as 9 kilohertz (kHz).RF is used in various electronics and appliances, which include radio and television broadcasting, cellular telephones, satellite communications, [...]
Obvious jamming is easy to detect because it can be heard on the receiving equipment. It is usually some type of noise, such as stepped tones (bagpipes), random-keyed code, pulses, music (often distorted), erratically warbling tones, highly distorted speech, random noise (hiss), and recorded sounds. Can you detect signal jammers? A Jammer is a blocking device [...]
Cell phones have become an indispensable part of human life.There are more than 7 billion mobile phones around the world now, and shipments continue to increase each year.People use mobile phones to socialize, pay, invest, and read. It can be faster and easier for everyone to connect to the Internet.But sometimes the mobile phone will [...]
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