How Do I Choose the Best Cell Phone Jammer?
Mobile phone signal jammers are 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 where the use of mobile phones is prohibited.
Cell phone signal jammer
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- Chinese name
- Cell phone signal jammer
- Transmit power
- 1W ± 200mA
- Ambient temperature
- -20 + 55
- Relative humidity
- 30-95%
- Mobile phone signal jammers are 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 where the use of mobile phones is prohibited.
- It is understood that the
- 1 Slow start function
- After the shield is powered on, the working power rises from zero to stable within 4 seconds.
- 2 muting function
- After the start is completed, the mobile phone in the range of action is blocked within 35 seconds.
- Basic performance:
- Transmitting frequency range: 860-960MHZ 1.800-1.990GHZ
- Frequency band: CDMA800, GSM900,
- Effectively shield various intercom signals, block (interfere) the communication between the intercom and the receiver, and make various types of grafted on the intercom system
- 1. Protection of communication signals by border operators
- 2. Army combat needs
- 3.
- 1. Select the area where the mobile phone signal needs to be cut off, and place the cutter on the desktop or wall in this area.
- 2. After the installation is complete, switch on the power to the circuit breaker and turn on the power switch.
- 3 After the device is connected, press the power switch breaker to work. At this time, all the mobile phones on the scene are searching for the network and lose the base station signal. Neither the calling party nor the called party can establish a call connection.
- 1. Why does the shielding range differ from that described in the manual when the shield works?
- Answer: The shielding range of the shield is related to the electromagnetic field at the shielding site, and it is related to the distance from the communication station. Generally it is best to be 200 meters away. Manufacturers test under normal conditions, so the shielding range will be slightly different.
- 2. Will the mobile phone signal be shielded from radiation and harmful to the human body?
- Answer: Regarding radiation, as long as it is an electronic product, there will be radiation. Any piece of electrical equipment will have radiation. Just like the mobile phones we usually use, it is inevitable that there is radiation every day when we lean near the ears. The country has set a standard for mobile phone radiation, and the radiation generated by our mobile phone signal shield is much lower than the national standard, and it is not every day Leaning against the ears is almost harmless to the human body.