Mobile Phone Signal Jammer primarily for various groups of place like examination room, schools, gas stations, churches, courts, libraries, Conference Center (Room), theaters, hospitals, government, finance, prisons, police, military areas and other places prohibit the use of mobile phones.
It is understood that cell phone signal jammers on the market can limit cell phone signal which 500M meters away from the launch pad, and the radius larger then 20-meter. Shielding radius adjustable, it just block mobile phone signals, without an impact on other electronic devices. Save energy, power 20W - 480w.
When Mobile phone work, mobile phones and base stations connected via radio waves in a certain frequency range, complete the data transfer of data and voice via a certain baud rate and modulation manner. Contrapose this communication principle, cell phone signal jammers scan from the lower end of the channel frequency to the high-end in a certain speed in the course of their work. The scanning speed can form a garbled signal interference in the mobile phone when receive messages, the phone can not detect normal data sent from the base station, so that phone can not establish connection with the base station. Mobile perform a phemomenon like search network, no signal, no service system and so on.
The cell phone signal jammers in common market, its role frequency: 869 ~ 894MHz; 825 ~ 960MHz; 1805 ~ 1880MHz and 1900 ~ 1990MHz and so on. Role in Band of CDMA800, GSM900, DCS1800, PCS1900. Can control a range of about 40 meters in diameter, using DC-DC converter input voltage, 5V output voltage.
Basic functions:
1 slow-start function
Blocker in the power, the working power from zero up to stability in 4 seconds.
2 shielding function
Start after 35 seconds the role of cellular phones shield within the role range.
Basic properties:
Launch frequency range :860-960MHZ 1.800-1.990GHZ
Transmit Power: 1W ± 200mA
Ambient temperature: -20 - +55 ℃
Relative humidity :30-95%
Role of the band: CDMA800, GSM900, DCS1800, PCS1900, PHS.
Control range: 40 meters.
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ReplyDeleteMobile signal Jammer
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ReplyDeleteGSM +3G mobile signal booster
You actually make it seem so easy with your presentation but I find this matter to be really something which I think I would never understand. It seems too complicated and extremely broad for me. I'm looking forward for your next post, I'll try to get the hang of it! CELL PHONE DETECTOR
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