Both mobile signal blockers and GPS (Global Positioning System) jammers are devices used to interfere with wireless communications, but their working principles and application scenarios are different. This article will introduce the difference between cell phone jammers and GPS jammers in detail in a relaxed language.
1. Working principle
1.1. mobile signal blocker
A mobile signal blocker is a device that interferes with mobile phone signals by emitting electromagnetic waves of a specific frequency. It can hinder the communication between the mobile phone and the base station, so that the mobile phone cannot make calls, send text messages or connect to the Internet normally.
1.2. GPS jammer
A GPS jammer is a device that interferes with the global positioning system by emitting electromagnetic waves of a specific frequency. It can interfere with the GPS receiver receiving satellite signals, thereby making GPS positioning invalid or generating errors.
2. Application scenarios
2.1. mobile signal blocker
mobile signal blockers are usually used in places that require confidentiality and quietness, such as examination rooms, meeting rooms, prisons, etc. It can prevent people from using mobile phones in these places, thereby protecting information security and maintaining order.
2.2. GPS Jammer
GPS jammers are usually used in places where location information needs to be hidden or navigation systems need to be interfered with, such as military bases, government agencies, and motorcades. It can interfere with the positioning function of the GPS receiver, thereby preventing the location from being tracked or the navigation system from being interfered with.
3. Working frequency band
3.1. mobile signal blocker
mobile signal blockers usually work in the frequency bands of mobile phone communications, such as 2G, 3G, 4G, and 5G.
3.2. GPS jammer
GPS jammers usually work in the frequency bands of GPS signals, such as the L1 band (1575.42 MHz) and the L2 band (1227.60 MHz).
4. Technical principle
4.1. mobile signal blocker
mobile signal blockers usually interfere with mobile phone signals by emitting radio signals with high power to prevent communication between mobile phones and base stations.
4.2. GPS jammer
GPS jammers usually interfere with the satellite signals of GPS receivers by emitting radio signals with high power to prevent their normal positioning function.
5. Conclusion
Although both mobile signal blockers and GPS jammers are devices used to interfere with wireless communications, there are some differences in their working principles, application scenarios, working frequency bands, technical principles, etc.