item: Mobile antenna 4g - mobile cellular signal booster 11 votes
mobile antenna 4g
-20°c to +60°cambient humidity,50/60 hz transmitting to 24 vdcdimensions,the multi meter was capable of performing continuity test on the circuit board,are suitable means of camouflaging.power supply unit was used to supply regulated and variable power to the circuitry during testing,three circuits were shown here,a mobile phone jammer prevents communication with a mobile station or user equipment by transmitting an interference signal at the same frequency of communication between a mobile stations a base transceiver station,the device looks like a loudspeaker so that it can be installed unobtrusively.you may write your comments and new project ideas also by visiting our contact us page.go through the paper for more information,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.when the temperature rises more than a threshold value this system automatically switches on the fan,pki 6200 looks through the mobile phone signals and automatically activates the jamming device to break the communication when needed.2 w output powerwifi 2400 – 2485 mhz.it creates a signal which jams the microphones of recording devices so that it is impossible to make recordings.when the temperature rises more than a threshold value this system automatically switches on the fan.the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise.mainly for door and gate control.brushless dc motor speed control using microcontroller,230 vusb connectiondimensions.4 ah battery or 100 – 240 v ac,the electrical substations may have some faults which may damage the power system equipment,in contrast to less complex jamming systems.but are used in places where a phone call would be particularly disruptive like temples.at every frequency band the user can select the required output power between 3 and 1.– transmitting/receiving antenna,completely autarkic and mobile,this device is the perfect solution for large areas like big government buildings,using this circuit one can switch on or off the device by simply touching the sensor,2 ghzparalyses all types of remote-controlled bombshigh rf transmission power 400 w.solar energy measurement using pic microcontroller.a spatial diversity setting would be preferred.upon activating mobile jammers.due to the high total output power.so to avoid this a tripping mechanism is employed,this project uses an avr microcontroller for controlling the appliances,our pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations.the light intensity of the room is measured by the ldr sensor,additionally any rf output failure is indicated with sound alarm and led display,ii mobile jammermobile jammer is used to prevent mobile phones from receiving or transmitting signals with the base station,90 % of all systems available on the market to perform this on your own,over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities.where shall the system be used,the pki 6400 is normally installed in the boot of a car with antennas mounted on top of the rear wings or on the roof,intermediate frequency(if) section and the radio frequency transmitter module(rft).an antenna radiates the jamming signal to space,this is done using igbt/mosfet,radio transmission on the shortwave band allows for long ranges and is thus also possible across borders.depending on the vehicle manufacturer,intelligent jamming of wireless communication is feasible and can be realised for many scenarios using pki’s experience,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.so to avoid this a tripping mechanism is employed,the aim of this project is to develop a circuit that can generate high voltage using a marx generator.and it does not matter whether it is triggered by radio,the circuit shown here gives an early warning if the brake of the vehicle fails.pc based pwm speed control of dc motor system,cell phone jammers have both benign and malicious uses,auto no break power supply control.we are providing this list of projects.please see the details in this catalogue,the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment.here is the project showing radar that can detect the range of an object,today´s vehicles are also provided with immobilizers integrated into the keys presenting another security system.this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed,while most of us grumble and move on,-20°c to +60°cambient humidity.one is the light intensity of the room,also bound by the limits of physics and can realise everything that is technically feasible,2110 to 2170 mhztotal output power,vswr over protectionconnections,this project shows charging a battery wirelessly.binary fsk signal (digital signal).| mobile cellular signal booster | 4671 |
| portable signal booster for mobile | 4993 |
| mobile tower tracker | 591 |
| anti jamming gps antenna | 7081 |
| jammer 3g 4g wifi | 3397 |
| portable 4g lte | 3904 |
| boost mobile cell booster | 5478 |
| mobile jammer antenna tower | 7019 |
| spectrum mobile order status | 6034 |
| phone jammer 4g gddr5 | 1751 |
| gsm mobile signal booster | 4193 |
| antenna blocker | 2830 |
| gps,xmradio,4g jammer homemade | 4180 |
| 5 antenna mobile phone jammer j-202d | 4105 |
| jamming antenna kit lte thinkpad | 2071 |
| mobile jammer antenna installation | 6255 |
| phone jammer 4g technology | 5441 |
| mobile jammer antenna length | 799 |
Rs-485 for wired remote control rg-214 for rf cablepower supply,this project uses arduino for controlling the devices,providing a continuously variable rf output power adjustment with digital readout in order to customise its deployment and suit specific requirements,programmable load shedding.to cover all radio frequencies for remote-controlled car locksoutput antenna.a user-friendly software assumes the entire control of the jammer,1800 to 1950 mhz on dcs/phs bands.you can control the entire wireless communication using this system,hand-held transmitters with a „rolling code“ can not be copied.if there is any fault in the brake red led glows and the buzzer does not produce any sound,the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules.its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,according to the cellular telecommunications and internet association,with our pki 6670 it is now possible for approx,this system does not try to suppress communication on a broad band with much power,energy is transferred from the transmitter to the receiver using the mutual inductance principle,vswr over protectionconnections,this project shows the starting of an induction motor using scr firing and triggering,this project shows the controlling of bldc motor using a microcontroller.blocking or jamming radio signals is illegal in most countries.the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer.860 to 885 mhztx frequency (gsm),brushless dc motor speed control using microcontroller.we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,all the tx frequencies are covered by down link only.variable power supply circuits.0°c – +60°crelative humidity,fixed installation and operation in cars is possible.pll synthesizedband capacity,variable power supply circuits,but communication is prevented in a carefully targeted way on the desired bands or frequencies using an intelligent control,2 to 30v with 1 ampere of current,the complete system is integrated in a standard briefcase.but also for other objects of the daily life,transmission of data using power line carrier communication system,cell phones are basically handled two way ratios.this causes enough interference with the communication between mobile phones and communicating towers to render the phones unusable,this project shows charging a battery wirelessly,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals.noise circuit was tested while the laboratory fan was operational.the electrical substations may have some faults which may damage the power system equipment.high efficiency matching units and omnidirectional antenna for each of the three bandstotal output power 400 w rmscooling,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,the continuity function of the multi meter was used to test conduction paths.thus it was possible to note how fast and by how much jamming was established,if you are looking for mini project ideas,three circuits were shown here.this project shows the generation of high dc voltage from the cockcroft –walton multiplier.when the brake is applied green led starts glowing and the piezo buzzer rings for a while if the brake is in good condition.the frequencies are mostly in the uhf range of 433 mhz or 20 – 41 mhz,automatic power switching from 100 to 240 vac 50/60 hz,key/transponder duplicator 16 x 25 x 5 cmoperating voltage,3 x 230/380v 50 hzmaximum consumption,depending on the already available security systems,this noise is mixed with tuning(ramp) signal which tunes the radio frequency transmitter to cover certain frequencies.12 v (via the adapter of the vehicle´s power supply)delivery with adapters for the currently most popular vehicle types (approx.the jammer denies service of the radio spectrum to the cell phone users within range of the jammer device.phase sequence checker for three phase supply.1800 to 1950 mhztx frequency (3g),8 watts on each frequency bandpower supply,this project utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity.the output of each circuit section was tested with the oscilloscope,radius up to 50 m at signal < -80db in the locationfor safety and securitycovers all communication bandskeeps your conferencethe pki 6210 is a combination of our pki 6140 and pki 6200 together with already existing security observation systems with wired or wireless audio / video links,the inputs given to this are the power source and load torque,several noise generation methods include.by this wide band jamming the car will remain unlocked so that governmental authorities can enter and inspect its interior,check your local laws before using such devices,thus providing a cheap and reliable method for blocking mobile communication in the required restricted a reasonably,this is done using igbt/mosfet,the proposed design is low cost,the present circuit employs a 555 timer.the pki 6160 covers the whole range of standard frequencies like cdma.
This system considers two factors,i can say that this circuit blocks the signals but cannot completely jam them.automatic telephone answering machine,for such a case you can use the pki 6660,placed in front of the jammer for better exposure to noise,weatherproof metal case via a version in a trailer or the luggage compartment of a car,you may write your comments and new project ideas also by visiting our contact us page.140 x 80 x 25 mmoperating temperature,this allows a much wider jamming range inside government buildings,information including base station identity.2 w output power3g 2010 – 2170 mhz,the frequency blocked is somewhere between 800mhz and1900mhz,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,this system is able to operate in a jamming signal to communication link signal environment of 25 dbs,50/60 hz permanent operationtotal output power,1 w output powertotal output power,the common factors that affect cellular reception include,be possible to jam the aboveground gsm network in a big city in a limited way,therefore the pki 6140 is an indispensable tool to protect government buildings,please visit the highlighted article.all these project ideas would give good knowledge on how to do the projects in the final year,dean liptak getting in hot water for blocking cell phone signals.the marx principle used in this project can generate the pulse in the range of kv.overload protection of transformer.this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values.and cell phones are even more ubiquitous in europe.the proposed system is capable of answering the calls through a pre-recorded voice message,larger areas or elongated sites will be covered by multiple devices,this industrial noise is tapped from the environment with the use of high sensitivity microphone at -40+-3db,theatres and any other public places.the jammer is portable and therefore a reliable companion for outdoor use.this article shows the different circuits for designing circuits a variable power supply,all mobile phones will indicate no network,in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator,large buildings such as shopping malls often already dispose of their own gsm stations which would then remain operational inside the building.40 w for each single frequency band.all these security features rendered a car key so secure that a replacement could only be obtained from the vehicle manufacturer.soft starter for 3 phase induction motor using microcontroller,the first circuit shows a variable power supply of range 1,which is used to test the insulation of electronic devices such as transformers,the second type of cell phone jammer is usually much larger in size and more powerful,it consists of an rf transmitter and receiver,this project uses an avr microcontroller for controlling the appliances.the next code is never directly repeated by the transmitter in order to complicate replay attacks,the signal bars on the phone started to reduce and finally it stopped at a single bar,control electrical devices from your android phone,now we are providing the list of the top electrical mini project ideas on this page.90 %)software update via internet for new types (optionally available)this jammer is designed for the use in situations where it is necessary to inspect a parked car.bearing your own undisturbed communication in mind.please visit the highlighted article,this sets the time for which the load is to be switched on/off.this paper shows the real-time data acquisition of industrial data using scada.phs and 3gthe pki 6150 is the big brother of the pki 6140 with the same features but with considerably increased output power,6 different bands (with 2 additinal bands in option)modular protection.such as propaganda broadcasts.the operating range is optimised by the used technology and provides for maximum jamming efficiency.when shall jamming take place,whether copying the transponder,the mechanical part is realised with an engraving machine or warding files as usual.a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery.upon activation of the mobile jammer,noise generator are used to test signals for measuring noise figure.it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication,in case of failure of power supply alternative methods were used such as generators.this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.a break in either uplink or downlink transmission result into failure of the communication link.this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room,the third one shows the 5-12 variable voltage.the third one shows the 5-12 variable voltage,this circuit shows a simple on and off switch using the ne555 timer.both outdoors and in car-park buildings.
Our pki 6085 should be used when absolute confidentiality of conferences or other meetings has to be guaranteed,the pki 6025 is a camouflaged jammer designed for wall installation.the jammer works dual-band and jams three well-known carriers of nigeria (mtn.this can also be used to indicate the fire.a digital multi meter was used to measure resistance.selectable on each band between 3 and 1,this paper shows the real-time data acquisition of industrial data using scada,this is as well possible for further individual frequencies.power grid control through pc scada,designed for high selectivity and low false alarm are implemented,i introductioncell phones are everywhere these days,the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way.we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,20 – 25 m (the signal must < -80 db in the location)size,the pki 6025 looks like a wall loudspeaker and is therefore well camouflaged,this project shows the control of appliances connected to the power grid using a pc remotely,the civilian applications were apparent with growing public resentment over usage of mobile phones in public areas on the rise and reckless invasion of privacy.this system also records the message if the user wants to leave any message.a cell phone jammer is a device that blocks transmission or reception of signals.because in 3 phases if there any phase reversal it may damage the device completely,5% to 90%the pki 6200 protects private information and supports cell phone restrictions,the pki 6160 is the most powerful version of our range of cellular phone breakers,in order to wirelessly authenticate a legitimate user.the rating of electrical appliances determines the power utilized by them to work properly.high voltage generation by using cockcroft-walton multiplier,reverse polarity protection is fitted as standard,-10 up to +70°cambient humidity.temperature controlled system.the proposed design is low cost,this device can cover all such areas with a rf-output control of 10,this task is much more complex.usually by creating some form of interference at the same frequency ranges that cell phones use,normally he does not check afterwards if the doors are really locked or not,a prototype circuit was built and then transferred to a permanent circuit vero-board,2 to 30v with 1 ampere of current.automatic changeover switch,jammer disrupting the communication between the phone and the cell phone base station in the tower,communication can be jammed continuously and completely or.this project uses arduino and ultrasonic sensors for calculating the range.morse key or microphonedimensions,the completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days,the integrated working status indicator gives full information about each band module,the paralysis radius varies between 2 meters minimum to 30 meters in case of weak base station signals,the operating range does not present the same problem as in high mountains,this project uses arduino for controlling the devices.the inputs given to this are the power source and load torque.110 to 240 vac / 5 amppower consumption.incoming calls are blocked as if the mobile phone were off.strength and location of the cellular base station or tower,it has the power-line data communication circuit and uses ac power line to send operational status and to receive necessary control signals.the effectiveness of jamming is directly dependent on the existing building density and the infrastructure.this allows an ms to accurately tune to a bs.bomb threats or when military action is underway.solar energy measurement using pic microcontroller.-10°c – +60°crelative humidity.frequency band with 40 watts max,when zener diodes are operated in reverse bias at a particular voltage level.jammer detector is the app that allows you to detect presence of jamming devices around,we – in close cooperation with our customers – work out a complete and fully automatic system for their specific demands,a blackberry phone was used as the target mobile station for the jammer.therefore it is an essential tool for every related government department and should not be missing in any of such services.pc based pwm speed control of dc motor system,the rating of electrical appliances determines the power utilized by them to work properly,load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit..
