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Block cell phone signal device - cell phone jammer for vehicle

4 Channels Cellular Signal Jammer AC 220V Power Supply With Warning LED
4 Channels Cellular Signal Jammer AC 220V Power Supply With Warning LED
Product Name: Cell Phone Signal Jammer Power Consumption: 1500W Power Supply: AC220 Output Frequency: 51dBm Dimensions: 385×410×240 Mm Net Weight: 25.9kgs Jamming Range: 100-500m Channel: 4 Channels 4 Channel Super High Power Signal Jammer , Cell Phone Signal Jammer   User Manual : Cell phone Jammer UserGuide(4 Channel ).pdf    Being Familiar Immediately:   Now let us introduce this mobile signal jammer to you and give you better understanding of the positions of all the buttons, functions of accessories and other hardware.   Control Panel:   Tag: Front View   Tag: RF POWER SWITCH,Press the green light button to activate corresponding power amplifier   Tag: Warning LED, Red Light With VSWR Warning   Tag: POWER ADJ.   OutPut Panel:   Tag: Back View     Product Feature:   Parameter specifications   Channel Center Frequency Frequency Range Band Width Output Power Channel Output Power CH1 872.5 MHz 851-894 MHz 43 MHz 51 dBm 24 dBm/30KHz(min) CH2 942.5 MHz 925-960 MHz 35 MHz 51 dBm 23 dBm/30KHz(min) CH3 1897.5 MHz 1805-1990 MHz 185 MHz 51 dBm 20 dBm/30KHz(min) CH4 2140 MHz 2110-2170 MHz 60 MHz 51 dBm 21 dBm/30KHz(min) Power Supply:AC220V Shielding area:100-500M @ according to signal density mobile Power consumption:1500W Weight:25.9Kg Side(length×wide×high): 385×410×240 mm   Technique characteristics Taking use of super-high frequency with high effective power. Effective output power (channel power) and bigger interfere radius. Only interfere downlink frequency of mobile system,without disturb normally working of Base Stations. Imported elements: Slow start up design of circuit. These elements can maintain the stable operation condition with high integration. A combination of the Israeli and United states of American Technology. Most sensitive Components imported from Germany, Hungary and Japan. Connect:   Four N interfaces, Which are using to connect antenna CH1: 851~894 MHz; CH2: 925~960 MHz; CH3: 1805~1990 MHz; CH4: 2110~2170 MHz; One power supply interface:AC220V IN System fittings: System fittings consist of block package, panel antenna, antenna connecter lines (cable and N connecters) etc. 4 modules are responsible respectively for CDMA, GSM, DCS,3G, which controls adjustment of output power, power switcher, as well as kinds of alarms( over heating and VSWR) . The next step will provide the function of each fitting in brief.   Antenna:   The jammer you bought is made up of jammer and antennas. It contains 4 modules(CH1~CH4).Each module can adjust power, warning standing wave indicator and warning temperature indicator separately.   Directional Board antenna Frequency:925~960MHz/1805~1990MHz,851~894MHz/2110-2170MHz Gain:12-15dBi Interface: N   Photo: Frequency Range 850~894 MHz 925~960 MHz 1805~1990 MHz 2110~2170 MHz Model ANT-800-2500-12 Input Impedance 50Ω VSWR ≤1.8 Gain 12dBi Maximum Power 150W Polarization Vertical Polarization PIM Connector Type 7/16 or N-K Lighting Protection Direct Ground Wind Velocity 60(m/s) Hold Pole Diameter φ40(mm)     Start Use: - Open the package -   Carefully open the package, keep all package boxes for later shipment. Check whether any fitting is good or not, if any damage happened, please contact your provider immediately.   - Connect system fittings -   Connecting the system fittings, connector lines are used to link the main package equipment with antenna by comparison of the top view. (The antenna must be firstly installed on solid poles) After connecting the system fittings, a power line is used to electrical outlet at the other end and the other end is put into power socket.(switching on is not allowed before the all antenna have been linked, otherwise the equipment is easy to be damaged.) WARNING: JAMMER MUST NOT BE CONNECTED TO ELECTRICITY UNLESS ALL ANTENNAS ARE INSTALLED   Switch on your jammer:   After all lines (including bother connector lines and power line)have been linked. Connect 220V power at the back of main machine Turn on the red switcher “on” position The output power of jammer is maximal in this situation Adjust the small switchers to control output power according to requirement Switch off your jammer:   Turn off the red switcher on “off” position Move away 220V power at the back of main machine Move away panel antenna. The jarmmer is out of work. Jamming functions:   According as theoretic Wireless communication is effectively completed by ensuring adequacy carrier signal density to a certain noise density during communication. A same frequency distortion signal is used to increase the ratio of carrier signal and noise (Nf) for shutting off the communication between the base station and mobile phone. The output power of jammer is given, the shield radius in the situation of free space is confirmed according to the receiving signal lever from base station and free space attenuation in pass through. The below is given as a formula of confirming shielding radius and a table of comparison of distance and pass through, based on carrier receiving power from base station, output power of jammer as well as gain of antenna.   Pch+Gat-L+FAF≥Prx In the formula: Pch : Minimum of carrier output power of jammer Gat : Gain of antenna L : Attenuation in pass through FAF : Amending Figure of pass through, choosing 6db for 1.8G Prx : Maximum of carrier output power of base station   Compare distance with attenuation:   L900=32+20logd +FAF L1800=L900+6 d ( use meter as unit) Distance(M) 900MHz Loss (dB) 1800MHz Loss (dB) Distance(M) 900MHz loss (dB) 1800MHz loss (dB) 1 38 44 4 50 56 2 44 50 5 52 58 3 47 53 6 53 59   Distance(M) 900MHz Loss (dB) 1800MHz Loss (dB)s Distance(M) 900MHz loss (dB) 1800MHz loss (dB) 7 55 66 40 70 81 8 56 67 45 71 82 9 57 68 50 72 83 10 58 69 60 73 84 15 61 70 70 75 86 20 64 74 80 76 87 25 66 76 90 77 88 30 67 78 100 78 89 35 69 80 200 84 90   Distance(M) 900MHz Loss (dB) 1800MHz Loss (dB)s Distance(M) 900MHz loss (dB) 1800MHz loss (dB) 250 86 92 500 92 98 300 87 93 600 93 99 400 90 96 800 96 102 450 91 97 1000 98 104   Typically testing records:     Principle block diagram:   Choosing installation position:     1.Use all omni-directional antenna (in common sense, it is not approve of using) the transmit antenna should be put in the middle of shielding area as below shown.   2.Use directional antenna, the transmission antenna should be put at the edges of shielding area as below shown.   Notice:   Be sure to connect all the antenna before the power supply is switch on. Please do not take off antenna when the machine is working. Antenna shall be used vertical to the ground, working more efficiently. Please don’t put the jammer in the water and fire to avoid using in the bad condition of over-wet, over-hot, high voltage and high magnetism. If the jammer can not be charged or other unconventionality (the indicator light doesn’t light up), please contact with the distributor in local place. Any refit and incorrect repair is not allowed. Any ruin and disrepair caused by incorrect operation and disassembly will be excluded from the repair with free of charge. Question and answer: 1. Does jammer interfere the other electronic equipment to work in normal condition       -No. Because the electromagnetic signal sent by jammer are totally used in the band width and this is regulated by government and just have interception effect to cell phone communication. 2. Is jammer harmful to the human body and cell phone? - Please do not need to worry about it. The intensity of electromagnetic signal sent by jammer is in compliance with the national standard of environmental electromagnetic wave health. The signal sent by jammer is relatively small and unharmful to human body according to the testing result. Meanwhile, this device just damage the receiving condition to the cell phone and makes the normal connection between cell phone and base station impossible. Therefore, no damage will occur on cell phone itself. 3. Is there any difference of distance between using jammer indoor and outdoor?  - Yes. Generally speaking, outdoor signal is bigger than the indoor signal. Thereby, the shielding effect is worse outdoor. Strictly speaking, whether using indoor or outdoor, the effective distance of interference is related to the surrounding around, for example the distance between different base stations, positions of installation etc. 4. Is the jammer has the same effect to GSM cell phone and CDMA cell phone? - The capacity of anti-interference of CDMA is much better than GSM cell phone. So the interference effect for GSM cell phone is better than CDMA cell phone. 5. The shell of jammer will become hot after working for some times. Does the long working time will damage the machine itself? - It is very normal. When designing, we are thought of makin use of the conductivity of metal shell to help the heat sinking during our designing of the Jammer. This way, the machine can be kept in good working condition for long time.  

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