The more powerful the mobile phone signal jammer, the better the effect?

 The higher the output power of a mobile phone signal jammer, the more effective it will be. I don’t think that is the case. For example, a space is about 350-600 square meters, and a mobile phone signal jammer that blocks about 700 square meters needs to be selected. It's not about making an appointment. After all, the power of the mobile phone signal jammer has a safe power range.

Some customers expressed why most stores' equipment has poor blocking effect when the signal is very close, while some stores have very good effects. I think the signal is blocked when the signal is close. The actual effect is poor, I think it is enough to prove that this kind of store is a reasonable and legal store. It is to follow the safety and output power category. On the contrary, when the video signal is very close, the shielding effect is very good and the output power is quite high. Special attention should be paid to these devices, because such devices have exceeded the safe power output for normal use. Not only will it be harmful to the uplink and downlink video signals, but it will also pose a safety risk, so buyers should pay special attention when purchasing. Therefore, the output power of the mobile phone signal jammer is not larger and higher.

There are several important parameter issues that are helpful for the effect of mobile phone signal shielding:

1. Power

①Jammer power

②Characteristics of wireless antenna radiation (gain, specificity, etc. of wireless antenna)

③Others

2. Blocked work methods Nowadays, mobile phones are all analog signals, and the resistance of analog signals to shielding is very strong. Generally, the effect of shielding analog signals with analog signal technology is weak, so it is necessary to use analog signals to shield analog signals, and digital shielding of the same power. The shielding effect of digital signal and simulation signal shielding on mobile phones is completely different. The jammer that uses digital signal shielding technology has lower power and higher efficiency than the jammer that uses analog signal shielding technology.

3. Differences between indoors and outdoors The analysis of the generation, attenuation coefficient, reflection surface, etc. of mobile phone signals and shielded signals in the room is relatively complex.

4. Before blocking, the strength and quality of local mobile phone signals have a great impact on blocking. Different mobile phones have different effects. Generally, mobile phones with strong ability to accept weak signals are actually resistant to blocking. The effect may not be good.

5. The position and distance of the video signal and the position of the mobile phone shielding area also affect the shielding effect.

6. The characteristics of the shielding distance and the transmission distance of the radio signal jammer. Now the shielding distance is simply discussed based on the attenuation coefficient of the radio signal transmitted in free space. According to the transmission theoretical relationship, every time the electromagnetic wave transmission distance is doubled, the signal The intensity attenuation coefficient is 6db (data signal output power is reduced by 4 times).