Nowadays, mobile phones are all digital signals, and digital signals have strong anti-influence capabilities. Generally, the effect of using analog signal technology to influence digital signals is poor, so digital signals must be used to influence digital signals, and the effect is very different. The cell phone jammer that uses digital signal influence technology has lower power and higher efficiency than the mobile phone signal jammer that uses analog signal influence technology. The analysis of the synthesis, attenuation, and reflection of indoor mobile phone signals and influencing signals is very complicated. Before shielding, the strength and quality of the mobile phone signal in the local space have a great influence on the shielding.
Different mobile phones have different effects
Generally, mobile phones with strong ability to receive weak signals may not have good anti-influence effects. The direction of the signal tower and the direction of the mobile phone shielding area will also affect the shielding effect. Generally, the spatial signal strength is around -60 to -70dbm, and the signal tower can reach around -40dbm within a few hundred meters. The mobile phone reception strength range is generally between -35 and -95dbm. The greater the spatial mobile phone signal power, the shorter the shielding distance. The above is a conclusion based on the law of free space radio signal propagation. In reality, there are many obstacles on the ground that affect the propagation of radio waves. The above can only be used as a qualitative reference. When to use a mobile phone signal jammer, especially indoors, the above law is very different from the actual situation, so this problem is currently difficult to calculate accurately and can only be determined based on the actual situation on site. Accurate construction projects must conduct preliminary research and signal testing, and then design specific plans, and then require timely follow-up tests and certain corresponding supplements to be foolproof, that is, to achieve a strict shielding effect.
If the classroom is relatively large, you can use a cellular type and install several more mobile phone signal blockers in the examination room, so as to ensure that the shielding effect of the mobile phone signal blockers in the examination room is the best. In addition, you must pay attention to corrosion protection during installation, and do not place it in a place with corrosive liquids to avoid problems with the machine. In fact, most of the time, the signal blocker in the examination room does not need to be deliberately maintained, but there are still a few places to pay attention to. First, remember to turn off the power after use, and wipe the surface after use to prevent dust from falling into the machine, but do not get some chemical liquids when wiping. Finally, even if you don't use it, put it in a ventilated place, not in a humid place or a place with some chemical liquids.
Digital signal jammers are noted for their lower power consumption and higher efficiency compared to analog counterparts.
The strength and quality of mobile phone signals in a specific area, as well as the ability of different phones to resist signal interference, play crucial roles in determining the jammer's effectiveness. Additionally, the direction of the signal tower and the orientation of the mobile phone's shielding area impact the jamming effect.
As a result, precise calculations for jamming effectiveness are difficult, requiring on-site research, signal testing, and tailored solutions. Accurate construction projects necessitate thorough planning, design, and follow-up testing to ensure foolproof shielding effects.
suggests using multiple jammers strategically placed throughout the room to guarantee comprehensive coverage. Additionally, maintenance considerations such as anti-corrosion measures and proper storage practices are highlighted to prolong the lifespan of the jammers and ensure their continued functionality.
By considering factors like signal strength, device variability, and environmental conditions, users can make informed decisions when deploying cell phone jammers to maintain privacy, security, and order in various settings.
