Cell phone blocker still can be used in such serious locations as the party

Cell phone signal jammers effective range (30-40 m) generally refers to the indoor range. In the open area outside, shielding the effective distance of up to several hundred meters. It should be noted, both in indoor or outdoor use, the effective distance jammers and there was a certain relationship between environmental conditions, such as the distance from the base station, and locations and so on. Therefore, the use of cell phone jammers should take full account of this factor, to avoid dead ends and thus affect the shielding effect of shielding. The effect of mobile phones the same? 6.5 mobile phone signal jammers for GSM and CDMA mobile phones, like the effect it? cell phone jammer is used for phenomena that some illegal students cheat in the various other examinations in the school and students use the cell phone to chat in the class. A: Good question. As CDMA phones GSM mobile phone anti-interference performance is far superior, so the cell phone signal jammers effective shield for the CDMA mobile phone GSM mobile phone is less than the distance, but the difference is not large, about 2-4 meters. But also drew users' attention is particularly important in some places, if necessary, to increase the venue should be the number of cell phone signal jammers to ensure that the shielding effect of CDMA mobile phones. 6.6 mobile phone signal jammers case after a period of hot work, work long hours will not damage the machine? Cell phone jammer case after a period of hot work, work long hours will not damage the machine? A: Thank you for your careful, this is a normal phenomenon. Design, we took advantage of brushed aluminum chassis of the thermal conductivity to aid heat dissipation. Which can guarantee long time stability.  cell phone blocker still can be used in such serious locations as the party and government institutions, theaters and so on which need tranquility.Therefore, the case will not damage the machine hot.
Status of the basic theory of electromagnetic shielding: shielding the growing demand for an increasing number of interference sources and sensitive to the growing number of sources of interference devices and sensitive devices increasing miniaturization of devices and sensors to make the source very close. This allows shorter transmission path, increasing the chance of interference. Miniaturization of devices to increase their sensitivity to disturbance. Auto: Auto: phone, laptop computer and other equipment available everywhere, but not necessarily limited to the office as a controlled environment. It also brings compatibility problems. cell phone jammer can block the signals within the specific range. For example, many vehicles equipped with anti-lock control system including a large number of electronic circuits, including, if the car phone is not compatible with this control system, it will cause malfunction. Large scale integrated circuit chips lower supply voltage reduces the internal noise threshold, and their precise geometry of the lower level would be under the arc damage. They produce more faster synchronization sharp current pulse, which will bring broadband emission produced from the port problem. In general, high-speed digital circuits than analog circuit system to produce more interference. For data confidentiality requirements is an important shield market power. U.S. embassy in Moscow has been reported to reveal the information has been held in the former Soviet Union to steal the car (Chechnya, Summit), which is to receive the embassy through the electromagnetic energy produced by the device to achieve the same technology can also be used to capture passwords.The jamming radius range of cell phone jammer is dependent on signal strength of field working environment. Then attack bank computer system. Through the shield, the device can reduce the electromagnetic emissions, improve system security. Not to mention the military industry.Not to mention the military industry.