Mobile phone signal jammers are mainly aimed at all kinds of examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, military centers and other places where the use of mobile phones is prohibited. It is understood that the mobile phone signal jammers on the market can limit the mobile phone signal within 500 meters from the transmitter. The shielding radius can be adjusted, and the coverage can reach more than 30 square meters. The mobile phone signal blocker can only shield the mobile phone signal without affecting other electronic equipment. Save electricity, the power is 12W--480W.
The cell phone jammer scans from the low-end frequency of the forward channel to the high-end frequency at a certain speed during the working process. The scanning speed can cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone is manifested as searching the network, no signal on the mobile phone, no service system, etc.
1 Slow start function
After the shield is energized, the working power rises from zero to stable within 4 seconds.
2 Shield function
After the activation is completed, the mobile phones within the range are blocked for 35 seconds.
Transmission frequency range: 860-960MHz1.800-1.990GHz
Ambient temperature: -20~55℃
Relative humidity: 30%~95%
Function frequency band: CDMA800, GSM900, DCS1800, PCS1900, PHS.
Control range: about 40 meters.
1. Select the area where you want to cut off the cell phone signal, and place the cutter on the table or wall in this area.
2. After the installation is complete, turn on the power of the disconnector and turn on the power switch.
3. After the device is connected, press the power switch disconnector to work. At this time, all the mobile phones on the site are in the state of searching for the network and lose the base station signal. Neither the calling party nor the called party can establish a call connection.
Portable cell phone signal jammer adopts imported IC and is independently developed, especially for some small places at home and abroad that require security and confidentiality, such as confidential offices, negotiation rooms, mobile vehicles, mobile political and business dignitaries to guard the scene, etc. , a high-tech product carefully developed according to the actual situation of mobile communications at home and abroad, it can block GSM/CDMA/DCS/PHS/PCS/3G mobile phone signals within a radius of 0.5-15 meters (usually about 5-80 square meters). (The enhancement can block the GPS signal), so that the mobile phone in the area cannot make and receive calls, and it will not interfere with the work of other electronic devices in the environment. When the phone is far away from the shielding range, it can resume normal use.
The machine is easy to carry and concealed, small in size, light in weight, only 150 grams; easy to operate, low power consumption, only 0.5W/h, boot time up to 2-3 hours; easy to charge, most Nokia chargers are Universal; is a truly green hand-held shield.
Scope Of Application
Cell phone signal jammer is also known as: jammer, cell phone jammer, signal jammer, cell phone signal shield, cell phone signal blocker, cell phone isolator, cell phone blocker, mobile communication signal jammer, cell phone signal jammer, cell phone jammer device, signal jammer, signal blocker, cell phone signal isolator, signal isolator, radio signal blocker.
It uses frequency multiplication, frequency division, frequency hopping filtering and other technologies to analyze the required shielding frequency for the uplink and downlink channels of the mobile phone system; customizes a spherical shielding space according to the power of the shield, and automatically forms a shielding magnetic field within the specified range. Make mobile phones (including PHS- PHS-GSM-China Unicom, China Mobile, CDMA-China Telecom) disabled in this space. When the jammer is in working state, it can disable the function of sending and receiving signals of mobile phones within a specified range, and cannot dial out or dial in, so as to achieve the purpose of mandatory disabling.
Can be used in: various examination rooms, conference rooms, gas stations, oil depots, churches, hospitals, courts, military centers, libraries, theaters and other places.
However, in densely populated areas such as schools, it is forbidden to set up radio stations with excessive electromagnetic radiation, and mobile phone signal jammers are not allowed to be used without authorization.
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Links: Amplitec Signal Amplifiers
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