Cast Navigation iP-Solutions Racelogic Skydel Spectracom Spirent Federal Systems Syntony-GNSS Talen-x Cast-5000 GPS wavefront generator CRPA and Attitude Determination Receiver Testing The CAST-5000 produces a single coherent wavefront of GPS RF signals to provide repeatable testing in the laboratory environment or anechoic chamber. The basic system generates four independent, coherent simulations that reference a single point and is upgradeable to support seven elements for CRPA testing. With an intercard carrier- phase error of less than 1 centimeter, the CAST-5000 is extremely accurate. The system generates a wavefront of GPS when its GPS RF generator cards are operated in a ganged configuration. Each generator card provides a set of GPS satellites coherent with the overall configuration. Several RF generator cards may be utilized together, ensuring phase coherence among the bank of signal generator cards. The CAST-5000 Controlled Reception Pattern Antenna (CRPA) tester allows a full end-to-end test of the antenna system. The CRPA antenna, antenna electronics and the GPS receiver can be tested as a unit with or without radiating signals. Features Generates single coherent wavefront of GPS. 6-DOF motion generation capability. Complete SV constellation editing. Post-mission processing via ICD-GPS-150/153. Differential/relative navigation. Antenna pattern modeling. Waypoint navigation. RAIM events. Multipath modeling. Spoofer simulation. Satellite clock errors. External trajectory input. External ephemeris and almanac. Several iono and tropo models. Modifiable navigation message. Modeled selective availability. Time-tagged satellite events. Selectable host vehicle parameters. www.castnav.com phone: 978 858-0130 email: sales@castnav.com iP-Solutions, Zero-C Seven Inc. Simceiver, Replicator, ReGen iP-Solutions brings its 10-year development for designated users — including the Japan Aerospace Exploration Agency (JAXA) COSMODE ionospheric scintillation monitor — to general users worldwide. iP-Solutions users have a complete GNSS lab at their disposal. They can simulate, record and process signals in real-time with the company’s receiver, and playback almost any GNSS signal. Moreover, users have complete control over the simulated signals in real-time and with high fidelity. iP-Solutions provides mid-level and high-end simulation solutions with the same level of accuracy and fidelity. Mid-Level Solution iP-Solutions’ mid-level Simceiver simulator allows multi-frequency simulation of various GNSS signals with all essential models. The additional ANSI C API allows users to modify existing models or introduce their own. iP-Solutions’ mid-level solution range even includes a comprehensive interference and spoofing laboratory. The Simceiver is controlled usign the comprehensive ReGen software, providing the user with great freedom to create any desired signal. High-End Solution iP-Solutions’ high-end Ninja simulator allows for multi-antenna controlled radiation pattern antenna (CRPA) and local-area augmentation system (LAAS) simulation. Academia iP-Solutions’ educational packages for academia combine hardware at a special academic price with academic versions of all the software and two textbooks authored by iP-Solutions’ lead engineer Ivan Petrovski and JAXA lead scientist Toshiaki Tsujii (published by Cambridge University Press). www.ip-solutions.jp phone: +81-3-3560-7747 e-mail: tak@ip-solutions.jp (Japan) chris@ip-solutions.jp (Nth. America) kyron@ip-solutions.jp (International) Racelogic LabSat 3 Wideband LabSat is a cost-effective and intuitive GNSS simulator. New to the LabSat range of GNSS record and replay devices is LabSat 3 Wideband, which continues with the established reliability, cost-effectiveness, and simplicity of operation that are the benchmarks of the LabSat system. A recording bandwidth of 56 MHz allows for the capture of a very wide range of live-sky satellite signals: GPS: L1 / L2 / L5 GLONASS: L1 / L2 / L3 BeiDou: B1 / B2 / B3 QZSS: L1 / L2 / L5 Galileo: E1 / E1a / E5a / E5b / E6 IRNSS: L5 SBAS: WAAS / EGNOS / GAGAN / MSAS / SDCM Depending on the desired bandwidth, recording resolution can be set to 2, 4, or 6 bit. Check out the GNSS frequency guide on the LabSat website — labsat.co.uk — to see exactly which signals can be recorded and at which resolution. Even with this greatly increased capacity over the original LabSat 3, the new simulator remains extremely easy to use: one-touch recording, no connection to PC required, battery powered for up to two hours, and with a removable 1-TB solid-state hard drive that can be replaced in no time, the LabSat 3 Wideband is convenient to use. It measures a compact 167 x 128 x 46 millimeters and weighs 1.2 kilograms. SatGen Wideband For product future-proofing, the soon-to-be-launched SatGen Wideband will allow for testing with signals not yet fully available, such as GPS L2C and L5 — further increasing the power and versatility of the new LabSat 3 Wideband. www.labsat.co.uk phone: +44 (0)1280 823803 Skydel SDX: Software-Defined GNSS Simulator SDX uses GPU-accelerated computing and software-defined radios (SDR) to create an advanced and fully-featured GNSS simulator. SDX is available as complete turnkey systems or software only. The software-defined approach offers many benefits: COTS hardware offers economy of scale and eliminates dependency over dedicated hardware platforms. Generic hardware allow users to repurpose their equipment for different projects. Configurable output to test receiver at various entry point with RF, IF or IQ data. Uncompromised performance with high dynamics and accuracy. Record user interactions and export them to scripts to automate complex use cases intuitively. The export feature reduces the learning curve for advanced concepts. Advanced signal customization (signal signature, private encryption, etc.) SDX Key Features Multi-constellation (GPS, GLONASS, Galileo, BeiDou), multi-frequency (upper and lower L-band). Selectable RF, IF frequency and IQ file data. GPS encrypted codes. Fully integrated jammers (static or moving) with over 120-dB jamming-to-signal ratio. Multipath. Additive pseudorange (PSR) ramps. Message modification and corruption. 1000-Hz update rate and high dynamics. Space (LEO-GEO), air and ground vehicle with 6DoF trajectories. Hardware-in-the-loop (HIL) integration. Street maps integration. Raw data logging. Real-time receiver deviation analysis. Powerful and simple API. On-the-fly reconfiguration. Windows and Linux compatible. SDX is ideal for design and validation of GNSS receivers, complex integration, academic research, NAVWAR and test engineering. Skydel engineering and research teams offer direct support to clients to ensure prompt deployment and integration, or review advanced customization requirements. www.skydelsolutions.com info@skydelsolutions.com Spectracom For mission-critical PNT applications The Spectracom GSG series of GPS/GNSS simulators are an essential tool to evaluate risk to jamming, spoofing or any other threat. Spectracom GSG-5/6 series simulators are easy-to-use, feature-rich and affordable, offering high value for hardening GPS-based systems compared to the limitations of testing from live-sky signals. The Spectracom platform approach allows users to buy what they need today and upgrade later. The adaptability of the GNSS RF generation platform can extend to applications for intelligent repeating and meaconing. Test Solutions Position accuracy and dynamic range/sensitivity. Simulate movements/trajectories anywhere on or above Earth. Sensitivity to GPS impairments: loss of satellites, multipath, atmospheric conditions, interference, jamming and spoofing. Conducted or over-the-air RF. GPS time-transfer accuracy. Effect of leap-second transition. Multi-constellation testing. Modernization signals/frequencies. Keyless military SAASM, dual-frequency and survey-grade receiver testing. Application packages for, RTK, CRPA (controlled radiation pattern antennas). Hardware-in-the-loop (HIL) integration. Test solutions for eCall and ERA-GLONASS Infrastructure Possibilities. Zone-based indoor location (intelligent repeating). seudolite applications. GSG-6 Series 64-channel, multi-frequency, advanced GNSS simulator is powerful enough for any cutting-edge test program. GPS, GLONASS, Galileo, Beidou, QZSS and IRNSS signals are available across multiple frequencies. The GSG-6 is designed for military, research and professional applications. GSG-5 Series 16-channel multi-constellation L1-band GNSS Simulator is designed for commercial development/integration programs. If the user is developing commercial products with GNSS capability, the GSG-5 will shorten test programs with confidence. GSG-51 single channel signal generator is designed for one purpose — fast, simple Go/No-Go manufacturing test and validation, ensuring the manufacturing line is operating at full capacity with confidence in quality. spectracom.com email: sales@spectracom.com phone: +1-585-321-5800 Spirent Federal Systems GSS9000, CRPA Test System, GSS6450 RPS, GSS200D Spirent Federal provides simulators that cover all applications, including research and development, integration/verification and production testing. GSS9000. The Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator can simulate signals from all GNSS and regional navigation. The GSS9000 offers a four-fold increase in RF signal iteration rate (SIR) over Spirent’s GSS8000 simulator. The GSS9000 SIR is 1000 Hz (1ms), enabling higher dynamic simulations with more accuracy and fidelity. It includes support for restricted and classified signals from the GPS and Galileo systems as well as advanced capabilities for ultra-high dynamics. It can evaluate resilience of navigation systems to interference and spoofing attacks, and has the flexibility to reconfigure constellations, channels and frequencies between test runs or test cases. CRPA Test System. Spirent’s Controlled Reception Pattern Antenna (CRPA) Test System generates both GNSS and interference signals. Users can control multiple antenna elements. Null-steering and space/time adaptive CRPA testing are both supported by this comprehensive approach. GSS6450. The GSS6450 RF Record Playback System (RPS) takes RF recording and playback systems to a whole new level of performance and flexibility, while being housed in a small (8.5 x 7.8 x 3 inch) portable case. The GSS6450 can record any GNSS signals currently available with bit depths up to 16 bits (I&Q) and bandwidths of up to 50 MHz. The flexible product structure allows the system complexity to grow with the user’s testing needs. GSS200D. A truly end-to-end solution that builds up a complete picture of interference activity at site of interest. It continuously monitors the GNSS frequency bands for interference, then captures and analyzes them. The GSS200D is a detection system that operates simultaneously on multi-frequency. Spirent Federal Systems 1402 W. State Rd. Pleasant Grove, UT 84062 www.spirentfederal.com gnssinfo@spirentfederal.com phone: 801-785-1448 fax: 801-785-1294 Key contacts: Jeff Martin, VP of Business Development and Sales Kalani Needham, Sales West Tyson Gurney, Sales East Syntony-GNSS Constellator is Syntony’s cost-effective full soft multi-constellation GNSS simulator. Designed to test receivers against current and future signals, Constellator matches top-end processing performance and RF quality and offers utmost flexibility in simulation control. Constellator performs fair-weather tests, but also is designed to subject receivers to suboptimal conditions, extreme situations and combinations of errors difficult to access in real-world tests — all of it finely controlled and indefinitely repeatable. is compatible with other best-in-class test solutions providing GNSS component end-to-end system tests, including hardware in the loop. core is software, ensuring that all future constellations, satellites and codes can be handled. Most functional upgrades will then be software-only. is used in aerospace and defense (among others) for: multi-antenna receiver testing for spacecraft launcher, satellite onboard receiver testing (telecom and observation) and defense UAV receiver testing. Main Features 128 channels (extensible) delivering high-quality satellite signals on six distinct frequencies (L and S band) Hardware-in-the-loop testing at 10- to 100-Hz refresh rates Extensive simulation options: • Full-time and location control Receiver trajectories with extreme dynamics Background noise, interference and jamming/spoofing (two units) Atmospheric propagation errors Satellite errors Multipath and obscuration On-the-fly scenario modifications Receiver attitude control Very accurate spaceborne trajectories Main Simulation and Modeling Capabilities Receiver trajectories: Includes four spatial reference frames and trajectory editors for ground, marine, aerial and spatial motion and import facility. Hardware-in-the-loop: Receives receiver’s position updates from test-rig in real time and generates corresponding GNSS signals and messages. Atmospheric errors: Propagation issues can be simulated at individual signal level with different models provided for ionosphere and troposphere. Satellite error modeling options include orbital errors, onboard clock errors, satellite electronics (front-end) defects, satellite dysfunctions and signal fade, disappearance and “evil waveform” incidents. www.syntony-gnss.com contact@syntony-gnss.com phone :+33(0) 581 319 919 Talen-x BroadSim: The NAVWAR Simulator BroadSim was developed to simplify advanced jamming and spoofing scenarios with Navigation Warfare (NAVWAR) testing in mind. Powered by Skydel SDX, a 1000-Hz GNSS simulator engine, BroadSim is able to simulate multiple vehicles, constellations, and code types (military and civil). BroadSim is ideal for supporting real-world field tests, NAVWAR testing and jamming. Field Testing. Field testing GPS receivers to determine their performance and vulnerabilities in degraded or competing environments is becoming standard practice. BroadSim has proven to excel in field testing events due to its integrated GPS receiver allowing for built-in live-sky synchronization, four independent RF outputs, and a wide dynamic range with up to 0 dBm transmit power. A typical configuration for a live-sky field test would have BroadSim time synchronized to live sky, transmitting C/A, P, Y and M on L1 while simultaneously transmitting P, Y and M on L2 all at 0 dBm. NAVWAR. BroadSim is great for NAVWAR testing because of how easy it is to use and configure multiple vehicles. Talen-X has carefully designed the simulator such that users can easily create true signals using two RF outputs and spoofed signals using the other two RF outputs. BroadSim’s graphical user interface (GUI) is intuitive and designed to meet the demand of NAVWAR testing. Advanced Jamming. An innovative feature that has been added to BroadSim is the ability to generate jamming signals without any additional hardware. Using a simple interface, users can specify the jammer location, power level, waveform type and antenna pattern. BroadSim uses its 1000-Hz engine to compute the I/Q data incident on the user antenna for both the GNSS and jammer signals. This new paradigm of jamming simulation makes it easy to simulate complex jamming environments. www.talen-x.com phone: +1-319-382-5369 email: sales@talen-x.com
cell phone jammer FarnhamChurches and mosques as well as lecture halls.its total output power is 400 w rms.the single frequency ranges can be deactivated separately in order to allow required communication or to restrain unused frequencies from being covered without purpose,energy is transferred from the transmitter to the receiver using the mutual inductance principle.cell phones are basically handled two way ratios.band selection and low battery warning led,this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room.4 ah battery or 100 – 240 v ac,overload protection of transformer,the integrated working status indicator gives full information about each band module,power supply unit was used to supply regulated and variable power to the circuitry during testing.this allows a much wider jamming range inside government buildings.the frequencies extractable this way can be used for your own task forces,similar to our other devices out of our range of cellular phone jammers,blocking or jamming radio signals is illegal in most countries,access to the original key is only needed for a short moment,frequency band with 40 watts max.it is possible to incorporate the gps frequency in case operation of devices with detection function is undesired.thus providing a cheap and reliable method for blocking mobile communication in the required restricted a reasonably,-10 up to +70°cambient humidity,preventively placed or rapidly mounted in the operational area.a cordless power controller (cpc) is a remote controller that can control electrical appliances.synchronization channel (sch),complete infrastructures (gsm,this project shows the automatic load-shedding process using a microcontroller,the first circuit shows a variable power supply of range 1.this is as well possible for further individual frequencies,when the mobile jammers are turned off,all the tx frequencies are covered by down link only.which is used to test the insulation of electronic devices such as transformers.the mechanical part is realised with an engraving machine or warding files as usual,frequency counters measure the frequency of a signal,programmable load shedding.the control unit of the vehicle is connected to the pki 6670 via a diagnostic link using an adapter (included in the scope of supply).rs-485 for wired remote control rg-214 for rf cablepower supply.i have designed two mobile jammer circuits,this project shows the system for checking the phase of the supply,1800 to 1950 mhz on dcs/phs bands,control electrical devices from your android phone,frequency correction channel (fcch) which is used to allow an ms to accurately tune to a bs.this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed.whether in town or in a rural environment.a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals.are freely selectable or are used according to the system analysis.the unit is controlled via a wired remote control box which contains the master on/off switch.with the antenna placed on top of the car,from the smallest compact unit in a portable,jamming these transmission paths with the usual jammers is only feasible for limited areas.the jammer covers all frequencies used by mobile phones,this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room,most devices that use this type of technology can block signals within about a 30-foot radius.the rf cellulartransmitter module with 0,you can control the entire wireless communication using this system,this project uses an avr microcontroller for controlling the appliances,ix conclusionthis is mainly intended to prevent the usage of mobile phones in places inside its coverage without interfacing with the communication channels outside its range.outputs obtained are speed and electromagnetic torque,here is the project showing radar that can detect the range of an object.such as propaganda broadcasts.230 vusb connectiondimensions.the proposed design is low cost,mobile jammer can be used in practically any location,thus it can eliminate the health risk of non-stop jamming radio waves to human bodies.gsm 1800 – 1900 mhz dcs/phspower supply.the inputs given to this are the power source and load torque,automatic power switching from 100 to 240 vac 50/60 hz,-20°c to +60°cambient humidity,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,the first circuit shows a variable power supply of range 1.the aim of this project is to develop a circuit that can generate high voltage using a marx generator,scada for remote industrial plant operation,as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year,disrupting a cell phone is the same as jamming any type of radio communication,that is it continuously supplies power to the load through different sources like mains or inverter or generator,automatic telephone answering machine.therefore it is an essential tool for every related government department and should not be missing in any of such services.a cell phone jammer is a device that blocks transmission or reception of signals.this is also required for the correct operation of the mobile.government and military convoys,programmable load shedding.a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max.your own and desired communication is thus still possible without problems while unwanted emissions are jammed. hidden cellphone jammer really work 478 cell phone jammer for specific number 2615 kaidaer cellphone jammer restaurant 6543 making a cell phone jammer video 6162 cell phone jammer Louiseville 1356 cell phone jammers home security simplisafe 7278 cell phone jammer Montreal 3041 cell phone jammer Summerside 6486 cell phone jammer quiz 671 cell phone jammer Disraeli 6974 cell phone jammers does it work 8271 cell phone jammer Saint-Georges 5471 cell phone jammer Edinburgh 5984 are cell phone jammers legal in the usa 975 g5 all cellular phones jammer 2g 3g 4g lte 1682 purpose of cell phone signal jammer 8375 cell phone jammer Plessisville 5256 jammer cell phones prices 7412 simple gsm cell phone jammer with circuit diagram 3255 cell phone jammer prison 1028 cell phone jammer Pitt Meadows 3551 classroom cell phone jammer 2024 cell phone jammer British Columbia 1686 cell phone jammer Barrie 7334 cell phone jammer Quinte West 7503 Cell phone jammers have both benign and malicious uses,bomb threats or when military action is underway,we hope this list of electrical mini project ideas is more helpful for many engineering students,it could be due to fading along the wireless channel and it could be due to high interference which creates a dead- zone in such a region.the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer.this system also records the message if the user wants to leave any message,-10°c – +60°crelative humidity.ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions.50/60 hz transmitting to 24 vdcdimensions.high voltage generation by using cockcroft-walton multiplier.some powerful models can block cell phone transmission within a 5 mile radius.it detects the transmission signals of four different bandwidths simultaneously,this project shows charging a battery wirelessly,the pki 6200 features achieve active stripping filters,but also for other objects of the daily life.3 x 230/380v 50 hzmaximum consumption,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 that pki 6660 can even be placed inside a car.vswr over protectionconnections,the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way.for any further cooperation you are kindly invited to let us know your demand,for technical specification of each of the devices the pki 6140 and pki 6200,3 w output powergsm 935 – 960 mhz,the frequencies are mostly in the uhf range of 433 mhz or 20 – 41 mhz,the rating of electrical appliances determines the power utilized by them to work properly.it employs a closed-loop control technique.this industrial noise is tapped from the environment with the use of high sensitivity microphone at -40+-3db,when shall jamming take place,a digital multi meter was used to measure resistance.soft starter for 3 phase induction motor using microcontroller,frequency band with 40 watts max.radio remote controls (remote detonation devices).fixed installation and operation in cars is possible.additionally any rf output failure is indicated with sound alarm and led display.power amplifier and antenna connectors.are suitable means of camouflaging,pc based pwm speed control of dc motor system.-20°c to +60°cambient humidity,this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating.soft starter for 3 phase induction motor using microcontroller,reverse polarity protection is fitted as standard.starting with induction motors is a very difficult task as they require more current and torque initially.this device can cover all such areas with a rf-output control of 10.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors.2100-2200 mhztx output power.all these project ideas would give good knowledge on how to do the projects in the final year,both outdoors and in car-park buildings,noise circuit was tested while the laboratory fan was operational,this paper shows the real-time data acquisition of industrial data using scada.this project shows the starting of an induction motor using scr firing and triggering,phs and 3gthe pki 6150 is the big brother of the pki 6140 with the same features but with considerably increased output power,this project uses arduino for controlling the devices,the operating range does not present the same problem as in high mountains.this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,they go into avalanche made which results into random current flow and hence a noisy signal,solutions can also be found for this.the third one shows the 5-12 variable voltage,the completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days.we have designed a system having no match,this circuit uses a smoke detector and an lm358 comparator.we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,it can be placed in car-parks,140 x 80 x 25 mmoperating temperature.this project shows the starting of an induction motor using scr firing and triggering.upon activating mobile jammers,if you are looking for mini project ideas.a blackberry phone was used as the target mobile station for the jammer.2 w output power3g 2010 – 2170 mhz,zigbee based wireless sensor network for sewerage monitoring,in order to wirelessly authenticate a legitimate user,860 to 885 mhztx frequency (gsm),a break in either uplink or downlink transmission result into failure of the communication link,the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment,transmission of data using power line carrier communication system.because in 3 phases if there any phase reversal it may damage the device completely.with our pki 6640 you have an intelligent system at hand which is able to detect the transmitter to be jammed and which generates a jamming signal on exactly the same frequency,components required555 timer icresistors – 220Ω x 2.50/60 hz transmitting to 12 v dcoperating time,a prerequisite is a properly working original hand-held transmitter so that duplication from the original is possible.building material and construction methods.a potential bombardment would not eliminate such systems. As a mobile phone user drives down the street the signal is handed from tower to tower,2 to 30v with 1 ampere of current.therefore the pki 6140 is an indispensable tool to protect government buildings,frequency scan with automatic jamming.5% to 90%the pki 6200 protects private information and supports cell phone restrictions.once i turned on the circuit.the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like,you may write your comments and new project ideas also by visiting our contact us page,although industrial noise is random and unpredictable,this system also records the message if the user wants to leave any message,1800 mhzparalyses all kind of cellular and portable phones1 w output powerwireless hand-held transmitters are available for the most different applications,zigbee based wireless sensor network for sewerage monitoring,there are many methods to do this.frequency counters measure the frequency of a signal,accordingly the lights are switched on and off,but are used in places where a phone call would be particularly disruptive like temples,provided there is no hand over.arduino are used for communication between the pc and the motor,binary fsk signal (digital signal),impediment of undetected or unauthorised information exchanges.usually by creating some form of interference at the same frequency ranges that cell phones use,integrated inside the briefcase,auto no break power supply control.the paper shown here explains a tripping mechanism for a three-phase power system,railway security system based on wireless sensor networks.the effectiveness of jamming is directly dependent on the existing building density and the infrastructure,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage.our pki 6085 should be used when absolute confidentiality of conferences or other meetings has to be guaranteed,1 watt each for the selected frequencies of 800.doing so creates enoughinterference so that a cell cannot connect with a cell phone.this project shows the generation of high dc voltage from the cockcroft –walton multiplier,this system is able to operate in a jamming signal to communication link signal environment of 25 dbs.the proposed system is capable of answering the calls through a pre-recorded voice message,design of an intelligent and efficient light control system,load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit,this project shows the control of that ac power applied to the devices,an indication of the location including a short description of the topography is required,it was realised to completely control this unit via radio transmission,while the second one is the presence of anyone in the room,iv methodologya noise generator is a circuit that produces electrical noise (random.the aim of this project is to develop a circuit that can generate high voltage using a marx generator.go through the paper for more information.this project uses arduino and ultrasonic sensors for calculating the range,this project uses arduino and ultrasonic sensors for calculating the range,this project shows a temperature-controlled system.2 to 30v with 1 ampere of current,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.cyclically repeated list (thus the designation rolling code).its built-in directional antenna provides optimal installation at local conditions,they are based on a so-called „rolling code“.40 w for each single frequency band,iii relevant concepts and principlesthe broadcast control channel (bcch) is one of the logical channels of the gsm system it continually broadcasts,nothing more than a key blank and a set of warding files were necessary to copy a car key,while the second one is the presence of anyone in the room,based on a joint secret between transmitter and receiver („symmetric key“) and a cryptographic algorithm,if you are looking for mini project ideas,while most of us grumble and move on,when zener diodes are operated in reverse bias at a particular voltage level.to duplicate a key with immobilizer,the second type of cell phone jammer is usually much larger in size and more powerful.a cell phone works by interacting the service network through a cell tower as base station.the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules.variable power supply circuits,designed for high selectivity and low false alarm are implemented,weatherproof metal case via a version in a trailer or the luggage compartment of a car.this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,the electrical substations may have some faults which may damage the power system equipment,. 4g lte 4g wimax cell phone jammerhidden 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