Are Cell Phone Calls To China Blocked Harmless To Human Body
The oil depot mobile phone jammer effectively shields the 2G+3G+4G mobile phone frequency band + WIFI wireless network mobile phone jammer; adopts a new aluminum alloy oxide shell, which has good heat dissipation performance and good long-term working stability of the equipment; adopts foreign advanced chips and technologies, slow-start circuit design , high integration; using ultra-high frequency broadband interference technology, only interferes with the downlink, not the base station; using multi-channel segmented independent shielding 3G/4G technology, the shielding effect is better; the single-machine transmit power is 25W, and each channel is about 2W-5W; The effective shielding range is 0-50 meters (depending on the operator's network signal status); continuous work without stopping all the year round; oil depot Are Cell Phone Calls To China Blocked Product advantages: 1. It adopts industrial-grade switching power supply for power supply and is equipped with precision voltage regulator circuit, even if the voltage fluctuation is relatively large, It will not affect the normal operation of the host; 2. The shell of the host is designed with a fully enclosed protective shell, which fully considers the waterproof, dust-proof and anti-destructive problems of special places; 3. Equipped with a special air duct cooling base, the cooling fan speed is adjustable 4. It can be used continuously for many years, with stable performance and long service life; the oil depot Cell Phone Jammer is harmless to human body. The product inspection and inspection report are complete; it has passed the inspection of the Ministry of Public Security and electromagnetic radiation safety inspection; the mobile phone signal shielding device of the oil depot is suitable for: 1. The mobile phone signal shielding of various test classrooms such as English test, college entrance examination, high school entrance examination, adult test, etc.; 2. Government agencies, Enterprises and other party gathering places that need to be kept secret; 3. Courts, detention centers, large, medium and small prisons, etc.; 4. Oil depots, oil depots, oil fields and other inflammable and explosive places; 5. All places where phone calls are prohibited;
Nowadays, with the continuous advancement of technology, smartphones have brought convenience to people's lives. At the same time, the phenomenon of using mobile phones to engage in illegal activities emerges one after another. Take the exam for example. In the past, cheating on exams consisted of taking cheat sheets, smuggling slips of paper, and even writing formula headings on arms and legs. As always, just one 5G Are Cell Phone Calls To China Blocked will stop cheating on your exams. With the gradual approaching of the high school entrance examination and the college entrance examination in various schools, many schools are facing the problem of preparing for the examination room. In addition to the discipline invigilation in the examination room, there is the most troublesome cheating to avoid. At present, in order to avoid the occurrence of cheating in the examination room, many schools have dealt with this phenomenon.