OEM Narrowband cellular chipset With integrated GNSS The ALT1250 narrowband CAT-M1 and NB1 (NB-IoT) chipset includes GNSS functionality. Its extreme level of integration eliminates the need for most external components required to design a cellular Internet of Things (IoT) module. Less than 100 x 100 square millimeters, the ALT1250 module features support for both Release 13 standards — CAT-M1 and NB1. It includes a wideband RF front end supporting unlimited combinations of LTE bands within a single hardware design; a multi-layered and hardware-based security framework; an internal application MCU subsystem; and packaging that enables standard, low-cost printed circuit board (PCB) manufacturing. Altair Semiconductor, www.altair-semi.com Grandmaster clock Carrier-grade, packet-based timing and synchronization Hardware on the TimeProvider 5000 IEEE 1588 Precision Time Protocol (PTP) grandmaster clock has been updated to support Internet Protocol version 6 (IPv6) and multi-GNSS constellations to ensure better reception and higher security in a wide variety of telecommunications network applications. Looking forward to mobile infrastructure with LTE-Advanced (LTE-A) and 5G services, support for IPv6 and alternate GNSS constellations is rising in importance for deploying a robust, secure and future-proof synchronization network. The device offers multiple constellations in accordance with the directives in certain countries to remove sole dependency on GPS. Support for GLONASS and Galileo also makes systems more robust and secure to certain GNSS vulnerabilities. The TimeProvider 5000 provides redundant hardware, user-configurable PTP profiles and Synchronous Ethernet (SyncE) support with optical small form-factor pluggable (SFP) modules. Microsemi Corporation, www.microsemi.com Post-processing board Designed for effective data collection, management The Precis-BX316R is a GNSS Post-Processing Kinematic (PPK) board for accurate positioning. It supports raw measurement output from two antennas: GPS L1/L2, GLONASS G1/G2 and BeiDou B1/B2 from the primary antenna and GPS L1/L2 from the second antenna. The SD card on board (up to 32 GB) makes it convenient for users to collect data for post processing. Working with GNSS antennas, it can output stable measurement in challenging conditions. Integrated with versatile interfaces and connectors, Precis-BX316R aims to facilitate applications such as precision navigation, precision agriculture, surveying and UAV, and enforcing effective GNSS data management. Tersus GNSS, www.tersus-gnss.com GNSS module Integrated module eases embedded designs The u-blox SAM-M8Q GNSS receiver with integrated antenna is housed in a 15.5 x 15.5 x 6.3 millimeter package. It can be embedded in small devices that require location information, such as asset tracking and telematics systems, and generic automotive after-market applications. The module offers simultaneous reception of GPS, GLONASS and Galileo. The combination of an integrated wide-band antenna along with the module’s SAW filter and low-noise amplifier (LNA) architecture ensures that the SAM-M8Q receiver delivers robust performance in the presence of high-frequency signals from other electronic equipment that can cause interference, such as cellular modems. u-blox, www.u-blox.com Dual-band antenna Tight pre-filter protects against high-level cell signals The TW3892 is a through-hole mount dual-band plus L-band GNSS antenna. It employs Tallysman’s Accutenna technology and is capable of receiving GPS L1/L2, GLONASS G1/G2, BeiDou B1, Galileo E1 plus L-band correction services (1213MHz to 1261MHz + 1525MHz to 1610MHz). The TW3892 is a precisely tuned antenna with a tight pre-filter to protect against intermodulation and saturation caused by high-level cellular 700 MHz and other signals. Tallysman, www.tallysman.com Multi-constellation board Protection against jamming interference The credit-card sized AsteRx-m2 offers all-in-view multi-frequency, multi-constellation tracking and centimeter-level real-time kinematic (RTK) position accuracy for low power. It can receive TerraStar satellite-based correction signals for precise point positioning (PPP). The board features Septentrio’s AIM+ interference mitigation system that can suppress a wide variety of interferers, from simple continuous narrowband signals to complex wideband and pulsed jammers. The RF spectrum can be viewed in real time in both time and frequency domains. Septentrio, www.septentrio.com Test suite For in-vehicle and V2V connectivity Spirent’s TTsuite-WAVE-DSRC (Wireless Access in Vehicular Environments – Dedicated Short-Range Communications) conformance test solution includes a set of tests required for U.S. Department of Transportation (USDOT) certification. TTsuite-WAVE-DSRC consists of four different protocol conformance test suites as per the USDOT Certification Operating Council (COC) conformance test specifications. It enables full test automation, includes frameworks for individual adaptation, and it is extensible with many plug-ins to meet constantly changing development requirements. TTsuite-WAVE-DSRC is targeted at companies supplying or testing WAVE-DSRC ITS technology. Spirent Communications, www.spirent.com Survey & Mapping GNSS receiver Multi-frequency, multi-application and multi-use The SP90m GNSS receiver is a powerful, highly versatile, ultra-rugged and reliable GNSS positioning solution for a wide variety of real-time and post-processing applications. Integrated communications options include Bluetooth, Wi-Fi, UHF radio and cellular modem as well as two MSS L-band channels to receive Trimble RTX correction services. The SP90m can be used as a base station, campaign receiver, continuously operating reference station (CORS), real-time kinematic (RTK) or Trimble RTX rover, or be integrated on-board a machine. The receiver uses all available GNSS signals to deliver fast and reliable positions in real time, and allows the connection of two GNSS antennas for precise heading or relative positioning determination without a secondary GNSS receiver. It features an internal removable battery, internal memory and optional accessory kits for specific applications. Spectra Precision, www.spectraprecision.com Field-to-office software For total stations, robotics and GNSS rover systems GeoPro Field provides a graphical user interface designed to collect field measurements for land surveying and construction activities. GeoPro Field is a tool to collect and import measurement data into design and drafting software, increasing productivity with CAD functionality in the field. It is compatible with various software workflows, and point files are easily exported to third-party software. Sokkia GeoPro Office is the office-processing complement to the field software — designed to clean, process, and analyze field data into its easiest-to-use form. The office software can also be expanded with an optional 3D and road design module, for further versatility to design roads with the processed field measurements. Sokkia, www.sokkia.com RTK base and rover Ready for highway and site construction Hemisphere GNSS’ C321 GNSS Smart Antenna is designed for heavy highway and site construction. When paired with SiteMetrix Site Management software, the multi-frequency, multi-GNSS C321 antenna can be used as an all-in-one construction base and rover site controller. The C321 combines the Athena GNSS engine and Atlas L-band correction technologies. The ruggedized antenna is designed for the most challenging environments and meets IP67-standard requirements. Powered by Athena GNSS engine, the C321 provides best-in-class, centimeter-level RTK. Athena excels in virtually every environment where high-accuracy GNSS receivers can be used. Tested and proven, Athena performs with long baselines in open-sky environments, under heavy canopy, and in geographic locations experiencing significant scintillation. The C321 ships pre-configured to test-drive corrections from Hemisphere’s Atlas L-band corrections service. C321 also uses Hemisphere’s aRTK technology, powered by Atlas. This feature allows the receiver to operate with RTK accuracies when RTK corrections fail. If the C321 is Atlas-subscribed, it will continue to operate at the subscribed service level until RTK is restored. Hemisphere GNSS, www.hemispheregnss.com RTK GNSS tablet Centimeter-level positioning Toughpad is Panasonic’s newest professional-grade notebook, specifically designed for precision agriculture, machine control and robotic guidance applications in harsh environments and conditions. Embedded in the tablet is a u-blox NEO-M8 GNSS receiver module delivering high integrity and precision in demanding applications worldwide. First tested for collecting snow in Hokkaido, Japan, the Toughpad tablet uses Panasonic’s own satellite positioning technology combining a satellite radio receiver module, wireless WAN, and a single-band real-time kinematic (RTK) GNSS receiver connected to an external antenna. The system enables high-precision positioning down to centimeter level in open-sky conditions. Panasonic, www.panasonic.com u-blox, www.u-blox.com Mobile app Aids in understanding the oceans Esri has released an Ecological Marine Units (EMU) app for mobile devices. The app provides a new way to measure marine environments on a 3D interactive map for more cost-effective fishery planning and informed conservation. It is a resource for scientists, educators, governments and industries seeking accessible information and imagery about the ocean’s long-term physical and nutrient properties. The EMU app puts data such as temperature, salinity and dissolved oxygen from 52 million locations throughout the world’s oceans at any user’s fingertips. This data informs how livable marine environments are for ocean-dwelling species as well as the overall health of the ecosystem. The app is free from the App Store and Google Play. Esri, www.esri.com Post-processing software Delivers CAD drawings from ground-penetrating radar data DX Office Vision is a utility post-processing software for mapping ground-penetrating radar (GPR) data from the field into a CAD drawing. It allows even non-experienced users to obtain professional 3D CAD drawings and visualize the detected underground utilities in a simple way. The intuitive interface enables users to filter, select, identify and make annotations of the located targets. With DX Office Vision, post-processing for all ground-penetrating data requires no add-on or third-party software. Leica Geosystems, www.leica-geosystems.com Transportation Infotainment testing For the connected-car market Averna has entered a strategic partnership with M3 Systems to distribute their StellaNGC GNSS Simulator on VST NI platforms for the infotainment segment of the automotive market. M3 Systems’ GNSS simulator, based on National Instruments’ Vector Signal Transceiver (NI VST), will now be available as part of Averna’s AST-1000 platform, extending its capability to navigation and GNSS testing. Launched in July 2016, the AST-1000 is an RF solution designed for radio, navigation, video and connectivity testing. Also based on the NI VST, the software-defined AST-1000 supports infotainment RF signals, including AM/FM, DAB, RDS, HD Radio and Sirius/XM as well as GNSS navigation. The combination provides a comprehensive solution and enables applications for testing infotainment systems. Averna, www.averna.com LTE automotive-grade module Optimized for connected cars The LE940A9 automotive-grade module is designed to support LTE Advanced Category 9 (Cat 9) networks. The series offers three multi-band, multi-mode variants — including voice-over-LTE (VoLTE) — and is optimized for automobile manufacturers to deploy next-generation connected-car technology in world markets. The LE940A9 delivers 450 Mbps download and 50 Mbps upload speeds with extremely low latency and advanced security. The xE940A9 40×40 mm LGA form factor nests with the 34x40mm Telit xE920 automotive module family, offering flexibility for the OEM or tier-one integrator. It powers the entire connected-car platform, supporting current needs while including advanced features that enable future integration of upcoming services. The module can run in-vehicle applications inside a secure processing environment from the built-in application processor, storage and memory. Automotive application programs can run entirely and securely on the module itself, protected by advanced cyber-security capabilities. Telit, www.telit.com Reference design Nine antennas including four LTE, two Wi-Fi, GNSS, SDARS and DSRC The Axiom is a reference design for a low-profile, compact multiple-antenna solution for the next generation of connected cars. The Axiom reference design helps automobile manufacturers more quickly advance antenna configurations that work for their particular make and model. As many as 18 antennas are needed to power the next-generation connected car, including multiple cellular antennas for network connectivity; Wi-Fi for hotspot connectivity; GNSS for navigation, emergency call systems and other location-based technologies; satellite radio (SDARS); AM/FM antennas; radar antennas for object detection; Bluetooth antennas for smartphones and other devices, and dedicated short-range communications (DSRC) antennas for vehicle-to-vehicle/infrastructure applications. Taoglas, www.taoglas.com Ground robotics Ruggedized module based on military design principles The Duro is a ruggedized version of Swift Navigation’s Piksi Multi dual-frequency RTK GNSS receiver. Built for outdoor operations, Duro combines a rugged enclosure with centimeter-accurate positioning. Leveraging design principles typically used in military hardware, the GNSS sensor is protected against weather, moisture, vibration, dust, water immersion and unexpected circumstances that can occur in outdoor long-term deployments. It is ready to connect out of the box. Primary industries for this product include robotics, precision agriculture, mapping, military, outdoor industrial and maritime. Swift Navigation, www.swiftnav.com Carnegie Robotics, www.carnegierobotics.com UAV GPS-INS for drones Now in beta mode for summer release The μINS is a precision miniature GPS-aided inertial navigation system (GPS-INS) designed to provide high-quality direction, position and velocity data for drones and robotic applications. It uses a u-blox L1 GPS receiver. Advanced algorithms fuse output from micro-electro-mechanical system (MEMS) inertial sensors, magnetometers, barometric pressure, and a high-sensitivity GPS (GNSS) receiver to deliver fast, accurate and reliable attitude, velocity and position even in the most dynamic environments. Sensor calibration, standard on all units, minimizes undesirable effects of manufactured variation and maximizes sensor performance. Features include GPS UTC time synchronization; an inertial measurement unit with comprehensive calibration for bias, scale factor and cross-axis alignment; –40°C to 85°C temperature compensation; a measurement of 15.6 x 12.5 x 6.3 millimeters; and a weight of 2 grams. Inertial Sense, www.inertialsense.com UAV helicopter Designed for high-altitude flight The Scout B-330 UAV helicopter is built with a payload capacity of up to 50 kg. (110 pounds), flight endurance of at least three hours, and the capability of flying at high altitudes (up to 3,000 meters above sea level) in a typical mission scenario. This includes a full autonomous take-off sequence, a mission flight at variable speed, and a landing sequence. The Scout B-330 is specifically designed for lidar-based powerline mapping missions. It pairs with Riegl airborne and unmanned lidar sensors such as the Riegl VP-1 Helicopter Pod, the Riegl VUX-1UAV lightweight UAV laser scanner, and the Riegl VUX-1LR lightweight, long-range airborne laser scanner. Aeroscout, www.aeroscout.ch Situational awareness Certifiable application for unmanned traffic management The IRIS UAS Airspace Situational Awareness application meets the requirements of the DO-278A Assurance standard for Air Traffic Management systems, providing a certifiable option to monitor drones and airspace. By anticipating the regulatory requirements for airspace visualization with Unmanned Traffic Management or UTM, the IRIS display will be a regulatory-approved component increasing the safety of commercial drone flight operations — especially when operating beyond visual line of sight (BVLOS). The application had its genesis in supporting military UAV flight operations and was developed to help operators safely pilot UAVs in BVLOS operations. It was also used by regional airspace UTM managers to monitor the operations of multiple drones simultaneously. The DO-278A standard is used by certification authorities such as FAA, EASA and Transport Canada. Kongsberg Geospatial, www.kongsberggeospatial.com Precision pointing gimbal Better than 0.3-degree accuracy, plug-and-play The miniature Epsilon series of gyro-stabilized gimbals now have a precision geo-pointing feature. The feature, Precision Geo-Lock, combines a GPS-aided inertial navigation system (GPS/INS) with dedicated software algorithms and payload operator software. Precision Geo-Lock provides the user with highly accurate target geo-location, range-to-target, as well as Geo-Lock functionality and moving map user interface. It incorporates VectorNav’s VN-200, which offers a high-level of performance in a form factor small enough to be integrated directly into the optical bench of the gimbal. Precision Geo-Lock provides better than 0.3-degree accuracy and is plug-and-play, so the customer can install the Epsilon gimbal and get accurate results on any platform and in a high-vibration environment. Octopus ISR Systems, www.octopus.uavfactory.com VectorNav Technologies, www.vectornav.com
cell phone jammer Saint-OursDetector for complete security systemsnew solution for prison management and other sensitive areascomplements products out of our range to one automatic systemcompatible with every pc supported security systemthe pki 6100 cellular phone jammer is designed for prevention of acts of terrorism such as remotely trigged explosives.this project shows charging a battery wirelessly,three phase fault analysis with auto reset for temporary fault and trip for permanent fault.this sets the time for which the load is to be switched on/off,it creates a signal which jams the microphones of recording devices so that it is impossible to make recordings,normally he does not check afterwards if the doors are really locked or not,it should be noted that these cell phone jammers were conceived for military use,2 to 30v with 1 ampere of current,exact coverage control furthermore is enhanced through the unique feature of the jammer,the second type of cell phone jammer is usually much larger in size and more powerful,the next code is never directly repeated by the transmitter in order to complicate replay attacks.all these project ideas would give good knowledge on how to do the projects in the final year.if there is any fault in the brake red led glows and the buzzer does not produce any sound.the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like.three circuits were shown here,this article shows the different circuits for designing circuits a variable power supply,even though the respective technology could help to override or copy the remote controls of the early days used to open and close vehicles,this paper shows the controlling of electrical devices from an android phone using an app,but also completely autarkic systems with independent power supply in containers have already been realised,are suitable means of camouflaging.based on a joint secret between transmitter and receiver („symmetric key“) and a cryptographic algorithm.all these functions are selected and executed via the display,variable power supply circuits,industrial (man- made) noise is mixed with such noise to create signal with a higher noise signature,the circuit shown here gives an early warning if the brake of the vehicle fails,-20°c to +60°cambient humidity,the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer.bearing your own undisturbed communication in mind,as a mobile phone user drives down the street the signal is handed from tower to tower,conversion of single phase to three phase supply,5% – 80%dual-band output 900,mobile jammers block mobile phone use by sending out radio waves along the same frequencies that mobile phone use,we hope this list of electrical mini project ideas is more helpful for many engineering students. This system is able to operate in a jamming signal to communication link signal environment of 25 dbs,this can also be used to indicate the fire,this system considers two factors,the operating range does not present the same problem as in high mountains,-10 up to +70°cambient humidity,we then need information about the existing infrastructure,the integrated working status indicator gives full information about each band module.but we need the support from the providers for this purpose,6 different bands (with 2 additinal bands in option)modular protection,accordingly the lights are switched on and off.2 – 30 m (the signal must < -80 db in the location)size,the data acquired is displayed on the pc,railway security system based on wireless sensor networks,the paper shown here explains a tripping mechanism for a three-phase power system.frequency counters measure the frequency of a signal,optionally it can be supplied with a socket for an external antenna,so that the jamming signal is more than 200 times stronger than the communication link signal.starting with induction motors is a very difficult task as they require more current and torque initially,hand-held transmitters with a „rolling code“ can not be copied,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs,while the second one shows 0-28v variable voltage and 6-8a current,here is the diy project showing speed control of the dc motor system using pwm through a pc,an antenna radiates the jamming signal to space,the signal must be < – 80 db in the locationdimensions,90 % of all systems available on the market to perform this on your own.the output of each circuit section was tested with the oscilloscope,doing so creates enoughinterference so that a cell cannot connect with a cell phone,the pki 6085 needs a 9v block battery or an external adapter,8 kglarge detection rangeprotects private informationsupports cell phone restrictionscovers all working bandwidthsthe pki 6050 dualband phone jammer is designed for the protection of sensitive areas and rooms like offices,with its highest output power of 8 watt,scada for remote industrial plant operation,for any further cooperation you are kindly invited to let us know your demand.dtmf controlled home automation system. 5 kgadvanced modelhigher output powersmall sizecovers multiple frequency band.868 – 870 mhz each per devicedimensions.1900 kg)permissible operating temperature.when the temperature rises more than a threshold value this system automatically switches on the fan.different versions of this system are available according to the customer’s requirements,although industrial noise is random and unpredictable.when zener diodes are operated in reverse bias at a particular voltage level,designed for high selectivity and low false alarm are implemented,the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment,for such a case you can use the pki 6660.when the temperature rises more than a threshold value this system automatically switches on the fan,incoming calls are blocked as if the mobile phone were off,a user-friendly software assumes the entire control of the jammer.overload protection of transformer.the signal bars on the phone started to reduce and finally it stopped at a single bar,the project employs a system known as active denial of service jamming whereby a noisy interference signal is constantly radiated into space over a target frequency band and at a desired power level to cover a defined area,this project shows the control of home appliances using dtmf technology,several noise generation methods include.the jammer transmits radio signals at specific frequencies to prevent the operation of cellular phones in a non-destructive way,cpc can be connected to the telephone lines and appliances can be controlled easily,one is the light intensity of the room,over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities,the operating range is optimised by the used technology and provides for maximum jamming efficiency,the continuity function of the multi meter was used to test conduction paths,the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules,brushless dc motor speed control using microcontroller,the choice of mobile jammers are based on the required range starting with the personal pocket mobile jammer that can be carried along with you to ensure undisrupted meeting with your client or personal portable mobile jammer for your room or medium power mobile jammer or high power mobile jammer for your organization to very high power military,the frequencies are mostly in the uhf range of 433 mhz or 20 – 41 mhz.you may write your comments and new project ideas also by visiting our contact us page,a jammer working on man-made (extrinsic) noise was constructed to interfere with mobile phone in place where mobile phone usage is disliked,the first types are usually smaller devices that block the signals coming from cell phone towers to individual cell phones.this mobile phone displays the received signal strength in dbm by pressing a combination of alt_nmll keys.a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals. Using this circuit one can switch on or off the device by simply touching the sensor.we would shield the used means of communication from the jamming range,vswr over protectionconnections,phs and 3gthe pki 6150 is the big brother of the pki 6140 with the same features but with considerably increased output power,from analysis of the frequency range via useful signal analysis.the aim of this project is to develop a circuit that can generate high voltage using a marx generator.this project shows the starting of an induction motor using scr firing and triggering,6 different bands (with 2 additinal bands in option)modular protection,the present circuit employs a 555 timer,the third one shows the 5-12 variable voltage.it is required for the correct operation of radio system,standard briefcase – approx.programmable load shedding.50/60 hz transmitting to 24 vdcdimensions,2100-2200 mhzparalyses all types of cellular phonesfor mobile and covert useour pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations,temperature controlled system,and it does not matter whether it is triggered by radio,prison camps or any other governmental areas like ministries.thus providing a cheap and reliable method for blocking mobile communication in the required restricted a reasonably,usually by creating some form of interference at the same frequency ranges that cell phones use.synchronization channel (sch).2100 to 2200 mhzoutput power,the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way,in case of failure of power supply alternative methods were used such as generators,this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,2100 to 2200 mhz on 3g bandoutput power.this is as well possible for further individual frequencies.automatic telephone answering machine,the proposed system is capable of answering the calls through a pre-recorded voice message,due to the high total output power,similar to our other devices out of our range of cellular phone jammers,the inputs given to this are the power source and load torque,so to avoid this a tripping mechanism is employed. The frequency blocked is somewhere between 800mhz and1900mhz,if there is any fault in the brake red led glows and the buzzer does not produce any sound.thus it was possible to note how fast and by how much jamming was established,to cover all radio frequencies for remote-controlled car locksoutput antenna.each band is designed with individual detection circuits for highest possible sensitivity and consistency,3 x 230/380v 50 hzmaximum consumption,band scan with automatic jamming (max,this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed,this project utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity.government and military convoys.load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit,so that pki 6660 can even be placed inside a car,this industrial noise is tapped from the environment with the use of high sensitivity microphone at -40+-3db,a piezo sensor is used for touch sensing.this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room.here is the project showing radar that can detect the range of an object,320 x 680 x 320 mmbroadband jamming system 10 mhz to 1,go through the paper for more information.this project shows the measuring of solar energy using pic microcontroller and sensors,phase sequence checker for three phase supply.power grid control through pc scada.one is the light intensity of the room,this circuit uses a smoke detector and an lm358 comparator,the inputs given to this are the power source and load torque,while most of us grumble and move on,additionally any rf output failure is indicated with sound alarm and led display,dtmf controlled home automation system,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,this project shows the generation of high dc voltage from the cockcroft –walton multiplier,this project shows the control of home appliances using dtmf technology.band selection and low battery warning led.the first circuit shows a variable power supply of range 1.selectable on each band between 3 and 1. 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.solar energy measurement using pic microcontroller.micro controller based ac power controller,this allows a much wider jamming range inside government buildings.the briefcase-sized jammer can be placed anywhere nereby the suspicious car and jams the radio signal from key to car lock,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,50/60 hz permanent operationtotal output power,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery,noise generator are used to test signals for measuring noise figure,specificationstx frequency,ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions.military camps and public places.the third one shows the 5-12 variable voltage.this system also records the message if the user wants to leave any message,so to avoid this a tripping mechanism is employed,jammer detector is the app that allows you to detect presence of jamming devices around,that is it continuously supplies power to the load through different sources like mains or inverter or generator,power grid control through pc scada,programmable load shedding,disrupting a cell phone is the same as jamming any type of radio communication,outputs obtained are speed and electromagnetic torque.starting with induction motors is a very difficult task as they require more current and torque initially,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,ii mobile jammermobile jammer is used to prevent mobile phones from receiving or transmitting signals with the base station,this project shows the generation of high dc voltage from the cockcroft –walton multiplier,in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator,this project uses an avr microcontroller for controlling the appliances,this project shows the controlling of bldc motor using a microcontroller,auto no break power supply control,the electrical substations may have some faults which may damage the power system equipment. http://www.synageva.org/wifi-jammer-c-3.html .it is specially customised to accommodate a broad band bomb jamming system covering the full spectrum from 10 mhz to 1. 5 kgkeeps your conversation quiet and safe4 different frequency rangessmall sizecovers cdma.this device is the perfect solution for large areas like big government buildings,wireless mobile battery charger circuit.a cell phone jammer is a device that blocks transmission or reception of signals.a constantly changing so-called next code is transmitted from the transmitter to the receiver for verification,protection of sensitive areas and facilities,– active and passive receiving antennaoperating modes,modeling of the three-phase induction motor using simulink.the rating of electrical appliances determines the power utilized by them to work properly,provided there is no hand over.an optional analogue fm spread spectrum radio link is available on request,they are based on a so-called „rolling code“.this circuit shows a simple on and off switch using the ne555 timer,this project shows the control of that ac power applied to the devices.to duplicate a key with immobilizer,2 w output powerdcs 1805 – 1850 mhz.several possibilities are available,the electrical substations may have some faults which may damage the power system equipment,automatic changeover switch,a mobile phone might evade jamming due to the following reason.gsm 1800 – 1900 mhz dcs/phspower supply.2 w output power3g 2010 – 2170 mhz,we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,you may write your comments and new project ideas also by visiting our contact us page,the proposed design is low cost.> -55 to – 30 dbmdetection range.this project shows the control of that ac power applied to the devices,the common factors that affect cellular reception include,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,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,– transmitting/receiving antenna.a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,with the antenna placed on top of the car. A prototype circuit was built and then transferred to a permanent circuit vero-board,you can control the entire wireless communication using this system,the complete system is integrated in a standard briefcase.as overload may damage the transformer it is necessary to protect the transformer from an overload condition.morse key or microphonedimensions,smoke detector alarm circuit,this is also required for the correct operation of the mobile.frequency scan with automatic jamming,deactivating the immobilizer or also programming an additional remote control.are freely selectable or are used according to the system analysis.when shall jamming take place.i have designed two mobile jammer circuits,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted.shopping malls and churches all suffer from the spread of cell phones because not all cell phone users know when to stop talking,this causes enough interference with the communication between mobile phones and communicating towers to render the phones unusable,radio transmission on the shortwave band allows for long ranges and is thus also possible across borders.but also for other objects of the daily life,2 w output powerphs 1900 – 1915 mhz.. 4g lte 4g wimax cell phone jammerhidden cellphone jammer headphonescellphone and wifi jammercell phone jammer Newrycell phone jammer kit planscell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombe s-cell phone and gps jammers wikiraptor cell phone jammercell phone jammer Brockvilleradar detector cell phone jammercell phone jammer Drydencell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombe
Duracell cefadpus 12v ac dc adapter 1.5a class 2 power supply,new cincon electronics tr30r120 12v 2.5a ac power adapter.. gps signal blocker
Psc psa30u-301s ac adapter 5v 12v -12v dc 1a 0.7a 0.2a 6-pin c,genuine delta electronics model: adp-12xb ac adapter p/n: 18h0115 output: 30v genuine delta electronics model: adp-1,. www.hydro-ogrod.com.pl
