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Mobile phone signal jammers have become standard equipment in the examination room.
Not only the high school and college entrance examinations, but also postgraduate exams, civil service exams and various qualification certificate exams, mobile phone signal jammers are needed to prevent candidates from communicating with the outside world through wireless signals.
It can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and Telecom.
The communication principle of the mobile phone signal jammer, the jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process.
The basic principle of mobile phone jamming equipment is to emit the same radio frequency signal as the mobile phone.
As long as there is a machine with the same frequency as the phone, when the base station tries to connect to the phone, it will make a lot of "noise".You will find that the signal from the phone is unrecognizable, so you will refuse to communicate with the phone.
The mobile phone signal blocker is mainly used in various test venues, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, military places and other places that prohibit the use of mobile phones.
The shielding radius can be adjusted, and the coverage area can reach more than 30 square meters.
cell phone jammer can only shield the mobile phone signal without affecting other electronic equipment.
Save electricity, power is 12W--480W.The mobile phone masker scans from the low-end frequency of the forward channel to the high-end at a certain speed during the work process.
The scanning speed can form garbled interference in the signal received by the mobile phone, and the mobile phone cannot detect normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station.
Mobile phones appear to search the Internet, mobile phones have no signal, no service system and other phenomena.The machine is easy to carry and conceal, small in size, light in weight, and weighs only 150 grams; wifi jammer, low power consumption, only 0.5W / h, and use time of up to 2-3 hours; easy to charge, most Nokia chargers are It can be used universally; it is a truly environmentally friendly handheld shield.gps jammer development of communication standards, the third-generation 3G mobile phone signal shield was successfully developed according to the actual situation of foreign mobile communications.
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Gore & AssociatesKITAGAWA INDUSTRIES America, IncCheng YeDe KunShan Communications Technology Co., LtdPhotofabrication Engineering, Inc.3MCGC precision technology Co, Ltd.Thrust IndustriesShenzhen yongmao technology Co., Ltd Geographically, this report studies the top producers and consumers, focuses on product capacity, production, value, consumption, market share and growth opportunity in these key regions, covering North America Europe China Japan India Southeast AsiaOther regions (Central & South America, Middle East & Africa) On the basis of product, this report displays the production, revenue, price, market share and growth rate of each type, primarily split into Copper-Nickel-Zinc Alloy Shielding Cover / FrameStainless Steel Shielding Cover/FrameNickel Silver Shielding Cover/ FrameSPTE/Tin Plated Mild Steel Cover/ Frame By Application, the market can be split into Most of cell phonesCheaper cell phones The Report covers in-depth analysis as follows:Chapter 1 Industry Overview of Cell Phone Signal Shielding for Electromagnetic Interference (EMI)Chapter 2 Manufacturing Cost Structure Analysis of Cell Phone Signal Shielding for Electromagnetic Interference (EMI)Chapter 3 Technical Data and Manufacturing Plants Analysis of Cell Phone Signal Shielding for Electromagnetic Interference (EMI)Chapter 4 Global Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Overall Market OverviewChapter 5 Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Regional Market AnalysisChapter 6 Global 2013-2018E Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Segment Market Analysis (by Type)Chapter 7 Global 2013-2018E Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Segment Market Analysis (by Application)Chapter 8 Major Manufacturers Analysis of Cell Phone Signal Shielding for Electromagnetic Interference (EMI)Chapter 9 Development Trend of Analysis of Cell Phone Signal Shielding for Electromagnetic Interference (EMI) MarketChapter 10 Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Marketing Type AnalysisChapter 11 Consumers Analysis of Cell Phone Signal Shielding for Electromagnetic Interference (EMI)Chapter 12 Conclusion of the Global Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Market Professional Survey Report 2017 Buy this report@ https://www.upmarketresearch.com/buy/cell-phone-signal-shielding-for-electromagnetic-interference-emi-market “Global Cell Phone Signal Shielding for Electromagnetic Interference (EMI) Market Industry Analysis and Forecast 2018-2025” report helps the clients to take business decisions and to understand strategies of major players in the industry.
