nstallation height of the detector of cell phone jammer | phone ...

Install the detector of cell phone jammer intelligent system on the wall.Has more than 700 million mobile phone users in China, there has been technical program of independent research and development of RFID-SIM card, could not have caused the concern of the NFC organization. NFC program is currently operating frequency of 13.56MHz. The experts pointed out that due to the relatively low operating frequency directly determine the NFC reader power will not be too high, low power consumption and determine the NFC transmission range is not too wide, the transmission distance is usually only a few centimeters. Two. 4GHz RFID-SIM card solution can achieve a the COSCO transmission distance of about 10 meters, you can expand to a greater range of mobile payment applications. Installation height of the detector of cell phone jammer intelligent system is no less than 2m.Some experts believe that, compared with the NFC solution, RFID-SIM card solution in addition has a unique advantage in the above applications, the core technology to fully grasp the hands of domestic enterprises. Domestic enterprises have the UHF RF signal from the phone the inherent structure of the gap in refractive / diffractive out, and to achieve effective control distance, the formation of the core patent from the system level; and independent research and development of the core components of the 2.4G card production capacity. From the long-term perspective, if you choose the NFC program, the mobile payment market is bigger, it will leave a huge hidden dangers of the use of patent fees. Several years ago, because they do not have the relevant patents, the DVD business has been imposed in the exercise of intellectual property rights in the name of the 30 billion in royalties, eventually leading to some companies forced to withdraw from the area of DVD production.

Shenzhen Gionee Communication Co., Ltd. ? Jinming Electronics, mobile phone circuit schematic in Figure 1 phone circuit schematic diagram is used to reflect the working principle of the electronic circuit schematics. This figure directly reflects the structure and working principle of the electronic circuit. Maintenance work through a variety of circuit component symbols painted on the identification drawings, as well as the connections between them, you can learn about the practical work of the mobile phone circuit, so that we more clearly on the phone line conditions during mobile phone repair . Observe indication light of the detector of cell phone jammer intelligent system at first.Shenzhen Gionee Communication Co., Ltd. ? the Jinming electronic principle of mobile phone circuit schematic diagram of the circuit in Figure 2 can complete expression of a stage or the whole of the structure and working principle, and sometimes the figure also marked all the various components of the circuit parameters, such as resistance capacity and transistor models, which provide for the maintenance and substitution convenient.

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