Entire Outgoing Calls Blocked In Cell Phone Affects The Blocking Distance

Perfectjammer 2022/04/27

Characteristics of shielding distance and wireless communication data signal transmission distance. Today, shielding distances are simply discussed in terms of attenuation coefficients for wireless communication data signal transmission in free space. According to the basic theoretical formula of transmission, the transmission distance of electromagnetic wave is doubled, and the attenuation coefficient of receiving sensitivity is 6db. (Data signal output power is reduced by a factor of 4). Let's take Entire Outgoing Calls Blocked In Cell Phone GSM900MHZ as an example. If the receiving sensitivity of the mobile phone is -50dbm in the area that must be shielded, and the shielding distance of the cell phone jammer device is 10 meters, the change of the receiving sensitivity of the mobile phone will affect the shielding distance. Simultaneously. The above discussion is based on the regularity of wireless communication data signal transmission in free space (that is, free space is close to outer space). In practical situations, there are many obstacles that jeopardize the transmission of electromagnetic waves. Use judgment only as a reference, especially if there is a huge distance between regularity and reality in the room.

This problem is temporarily difficult to accurately measure, and can only be clarified according to the specific conditions of the construction site. The right construction project must go through an initial investigation and signal testing before designing an actual solution. In the middle and late stages, follow-up inspections need to be carried out immediately, and some corresponding supplements should be made to ensure that nothing goes wrong, that is, to achieve the actual effect of strict shielding. For example: influencing the speech of others, how many sound effects can be used to affect the sound of him and the audience, the quality of the speech picture, the echo in the room, the distance between the speaker and the audience, etc. related. The penetration rate of smartphones is getting higher and higher, and the scope of application is getting wider and wider. From small to life consumption to large work applications, we are inseparable from it. However, in some special occasions, the functions of mobile phones should be limited, but there are still people who do not comply with the regulations and use mobile phones recklessly. So there is Entire Outgoing Calls Blocked In Cell Phone , which can block the mobile phone signal well and weaken the function of the mobile phone. To maintain the order that those special occasions should have. Used to prevent cell phones and base stations from receiving and transmitting signals, and to prohibit cell phone use in defined and designated regulated areas.

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