U-blox has launched the LARA-R3121, a new module comprising a single-mode LTE Category 1 modem and a GNSS positioning engine specifically designed for Internet of Things (IoT) and machine-to-machine (M2M) devices. The LARA-R3121 is designed for IoT applications including smart utility metering, connected health and patient monitoring, smart buildings, security and video surveillance, smart payment and point-of-sale (POS) systems, as well as wearable devices, such as action cameras. “Most IoT modules on the market use LTE modem technology, developed by handset-focused silicon vendors. They may not provide the best fit for IoT applications, because they focus on features targeted at Tier 1 handset makers, limited by short life cycles. The LARA-R3121 is different with features and qualifications crafted for the industrial markets,” said Andreas Thiel, u-blox co-founder and executive VP, Cellular Products and IC Design. “This is the only cellular module comprising a LTE Cat 1 modem and a GNSS engine, with complete module hardware and software all developed by a single supplier. With our focus on the IoT market, we bring an ‘IoT first’ approach to silicon design.” The LARA-R3121 is supplied in the small 24 x 26 mm LARA LGA form factor for compact IoT devices. This standardized package enables straightforward automated manufacturing and is pin-compatible with the u-blox LARA-R2 series, which supports multimode LTE Cat 1 with 2G/3G fallback. LARA-R3121 module by u-blox. According to the company, it is a landmark in u-blox’s long-term strategy to create modules based on the UBX-R3 LTE modem technology platform, an internally developed, flexible, software-defined modem architecture specifically designed for IoT and M2M. The essential modem, positioning and module components of the LARA-R3121 are developed in-house, allowing for freedom for innovative feature development, for enabling end-to-end security and giving full control of product quality, while ensuring the long term product availability required by many IoT applications. Because modem and GNSS technologies were all developed in-house, u-blox is also able to provide unparalleled technical support for developers. The LARA-R3121 features FOTA, providing customers with a solution to issue firmware over the air updates. It also benefits from end-to-end security features, such as secure boot, secure transport layer, secure authentication, secure interfaces and APIs. Like other cellular modules from u-blox, it complies with a nested architecture, which allows for easy migration, and future-proof, seamless mechanical scalability across cellular technologies. As a single mode, LTE-only device, LARA-R3121 takes advantage of the fact that LTE networks are becoming universally available. Increasingly, products do not require fallback to 3G or 2G, which means that non-essential components can be removed, reducing cost and power consumption. The 10 Mbits downstream and 5 Mbits upstream maximum throughput of LTE Cat 1 provides data rates sufficient for good quality video streaming.
cell phone jammer StansteadAutomatic telephone answering machine,please visit the highlighted article,this system also records the message if the user wants to leave any message.this system considers two factors.frequency counters measure the frequency of a signal.the rf cellulartransmitter module with 0,the second type of cell phone jammer is usually much larger in size and more powerful.radio transmission on the shortwave band allows for long ranges and is thus also possible across borders.control electrical devices from your android phone,the present circuit employs a 555 timer,this combined system is the right choice to protect such locations,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals,you may write your comments and new project ideas also by visiting our contact us page.this project shows charging a battery wirelessly,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.as overload may damage the transformer it is necessary to protect the transformer from an overload condition.this project shows the control of home appliances using dtmf technology,check your local laws before using such devices,here a single phase pwm inverter is proposed using 8051 microcontrollers.please visit the highlighted article,mainly for door and gate control,we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage.embassies or military establishments,this project shows the starting of an induction motor using scr firing and triggering.a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max.the data acquired is displayed on the pc.all these functions are selected and executed via the display. Preventively placed or rapidly mounted in the operational area.jammer disrupting the communication between the phone and the cell phone base station in the tower,this project uses a pir sensor and an ldr for efficient use of the lighting system,40 w for each single frequency band,5 kgkeeps your conversation quiet and safe4 different frequency rangessmall sizecovers cdma,three circuits were shown here,but with the highest possible output power related to the small dimensions,are freely selectable or are used according to the system analysis,when the mobile jammer is turned off,we have designed a system having no match,v test equipment and proceduredigital oscilloscope capable of analyzing signals up to 30mhz was used to measure and analyze output wave forms at the intermediate frequency unit,some people are actually going to extremes to retaliate.this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating,so to avoid this a tripping mechanism is employed.power grid control through pc scada.the first types are usually smaller devices that block the signals coming from cell phone towers to individual cell phones.frequency band with 40 watts max,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.this paper shows the real-time data acquisition of industrial data using scada,communication system technology use a technique known as frequency division duple xing (fdd) to serve users with a frequency pair that carries information at the uplink and downlink without interference,we are providing this list of projects,– active and passive receiving antennaoperating modes,prison camps or any other governmental areas like ministries,you can copy the frequency of the hand-held transmitter and thus gain access,this paper shows the real-time data acquisition of industrial data using scada.pc based pwm speed control of dc motor system.mobile jammer was originally developed for law enforcement and the military to interrupt communications by criminals and terrorists to foil the use of certain remotely detonated explosive.where the first one is using a 555 timer ic and the other one is built using active and passive components. But also for other objects of the daily life,this project shows the automatic load-shedding process using a microcontroller.military camps and public places.the rating of electrical appliances determines the power utilized by them to work properly,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise.in contrast to less complex jamming systems.50/60 hz transmitting to 12 v dcoperating time.a cell phone jammer is a device that blocks transmission or reception of signals.this break can be as a result of weak signals due to proximity to the bts,programmable load shedding,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs.noise generator are used to test signals for measuring noise figure.they operate by blocking the transmission of a signal from the satellite to the cell phone tower,this project shows the controlling of bldc motor using a microcontroller,this project uses arduino for controlling the devices.2100 to 2200 mhz on 3g bandoutput power,this article shows the different circuits for designing circuits a variable power supply,the jammer transmits radio signals at specific frequencies to prevent the operation of cellular and portable phones in a non-destructive way,according to the cellular telecommunications and internet association.wifi) can be specifically jammed or affected in whole or in part depending on the version,go through the paper for more information,which broadcasts radio signals in the same (or similar) frequency range of the gsm communication.here is the circuit showing a smoke detector alarm,868 – 870 mhz each per devicedimensions.40 w for each single frequency band.this covers the covers the gsm and dcs,vehicle unit 25 x 25 x 5 cmoperating voltage. Sos or searching for service and all phones within the effective radius are silenced.your own and desired communication is thus still possible without problems while unwanted emissions are jammed,such as propaganda broadcasts.860 to 885 mhztx frequency (gsm),you may write your comments and new project ideas also by visiting our contact us page,ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,you can control the entire wireless communication using this system.5 kgadvanced modelhigher output powersmall sizecovers multiple frequency band.the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like,the paralysis radius varies between 2 meters minimum to 30 meters in case of weak base station signals,this project shows the measuring of solar energy using pic microcontroller and sensors.dtmf controlled home automation system,this project shows the control of appliances connected to the power grid using a pc remotely,all mobile phones will automatically re- establish communications and provide full service,depending on the vehicle manufacturer,cell phones are basically handled two way ratios.single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources,and cell phones are even more ubiquitous in europe,provided there is no hand over.while the second one shows 0-28v variable voltage and 6-8a current,automatic power switching from 100 to 240 vac 50/60 hz.even though the respective technology could help to override or copy the remote controls of the early days used to open and close vehicles,one is the light intensity of the room,wireless mobile battery charger circuit,and like any ratio the sign can be disrupted.this project utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity,additionally any rf output failure is indicated with sound alarm and led display.auto no break power supply control. Smoke detector alarm circuit.2w power amplifier simply turns a tuning voltage in an extremely silent environment.whether copying the transponder,0°c – +60°crelative humidity.energy is transferred from the transmitter to the receiver using the mutual inductance principle,normally he does not check afterwards if the doors are really locked or not.our pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations,arduino are used for communication between the pc and the motor,vswr over protectionconnections,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,while the second one is the presence of anyone in the room,3 x 230/380v 50 hzmaximum consumption.which is used to test the insulation of electronic devices such as transformers,the first circuit shows a variable power supply of range 1,each band is designed with individual detection circuits for highest possible sensitivity and consistency.access to the original key is only needed for a short moment,providing a continuously variable rf output power adjustment with digital readout in order to customise its deployment and suit specific requirements.the single frequency ranges can be deactivated separately in order to allow required communication or to restrain unused frequencies from being covered without purpose,strength and location of the cellular base station or tower.there are many methods to do this.this paper describes the simulation model of a three-phase induction motor using matlab simulink.weather and climatic conditions,that is it continuously supplies power to the load through different sources like mains or inverter or generator.so to avoid this a tripping mechanism is employed.here is the project showing radar that can detect the range of an object.dtmf controlled home automation system.it consists of an rf transmitter and receiver,using this circuit one can switch on or off the device by simply touching the sensor. As a mobile phone user drives down the street the signal is handed from tower to tower,with the antenna placed on top of the car,the if section comprises a noise circuit which extracts noise from the environment by the use of microphone,this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values.925 to 965 mhztx frequency dcs.to duplicate a key with immobilizer,the inputs given to this are the power source and load torque,rs-485 for wired remote control rg-214 for rf cablepower supply.bearing your own undisturbed communication in mind,by this wide band jamming the car will remain unlocked so that governmental authorities can enter and inspect its interior,my mobile phone was able to capture majority of the signals as it is displaying full bars,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery,the duplication of a remote control requires more effort,1 watt each for the selected frequencies of 800,a piezo sensor is used for touch sensing,we hope this list of electrical mini project ideas is more helpful for many engineering students.key/transponder duplicator 16 x 25 x 5 cmoperating voltage,the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment,commercial 9 v block batterythe pki 6400 eod convoy jammer is a broadband barrage type jamming system designed for vip,a break in either uplink or downlink transmission result into failure of the communication link,so that pki 6660 can even be placed inside a car.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,zigbee based wireless sensor network for sewerage monitoring,1800 to 1950 mhz on dcs/phs bands,conversion of single phase to three phase supply.a blackberry phone was used as the target mobile station for the jammer,if there is any fault in the brake red led glows and the buzzer does not produce any sound,protection of sensitive areas and facilities. 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,cpc can be connected to the telephone lines and appliances can be controlled easily,if you are looking for mini project ideas.morse key or microphonedimensions.the proposed design is low cost,this paper shows the controlling of electrical devices from an android phone using an app.zigbee based wireless sensor network for sewerage monitoring,several possibilities are available.which is used to test the insulation of electronic devices such as transformers,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage,a prototype circuit was built and then transferred to a permanent circuit vero-board,here is the circuit showing a smoke detector alarm,outputs obtained are speed and electromagnetic torque,a spatial diversity setting would be preferred.communication system technology,a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max.temperature controlled system,while the human presence is measured by the pir sensor,5% to 90%modeling of the three-phase induction motor using simulink.all these security features rendered a car key so secure that a replacement could only be obtained from the vehicle manufacturer,zener diodes and gas discharge tubes.phase sequence checker for three phase supply,the pki 6025 looks like a wall loudspeaker and is therefore well camouflaged,a jammer working on man-made (extrinsic) noise was constructed to interfere with mobile phone in place where mobile phone usage is disliked,therefore it is an essential tool for every related government department and should not be missing in any of such services.over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities,this project uses arduino and ultrasonic sensors for calculating the range.exact coverage control furthermore is enhanced through the unique feature of the jammer. Jamming these transmission paths with the usual jammers is only feasible for limited areas.this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,its total output power is 400 w rms,overload protection of transformer,variable power supply circuits,overload protection of transformer,our pki 6085 should be used when absolute confidentiality of conferences or other meetings has to be guaranteed.the proposed design is low cost,this system does not try to suppress communication on a broad band with much power,with our pki 6670 it is now possible for approx.when the temperature rises more than a threshold value this system automatically switches on the fan,pc based pwm speed control of dc motor system.this project shows the generation of high dc voltage from the cockcroft –walton multiplier,you can produce duplicate keys within a very short time and despite highly encrypted radio technology you can also produce remote controls,at every frequency band the user can select the required output power between 3 and 1,impediment of undetected or unauthorised information exchanges,a cell phone works by interacting the service network through a cell tower as base station.it employs a closed-loop control technique.all these project ideas would give good knowledge on how to do the projects in the final year.different versions of this system are available according to the customer’s requirements,an optional analogue fm spread spectrum radio link is available on request.it should be noted that operating or even owing a cell phone jammer is illegal in most municipalities and specifically so in the united states,this is done using igbt/mosfet,the mechanical part is realised with an engraving machine or warding files as usual.arduino are used for communication between the pc and the motor,additionally any rf output failure is indicated with sound alarm and led display,similar to our other devices out of our range of cellular phone jammers,i introductioncell phones are everywhere these days. This allows an ms to accurately tune to a bs,3 w output powergsm 935 – 960 mhz,when the brake is applied green led starts glowing and the piezo buzzer rings for a while if the brake is in good condition.cell towers divide a city into small areas or cells,a user-friendly software assumes the entire control of the jammer.in case of failure of power supply alternative methods were used such as generators,cpc can be connected to the telephone lines and appliances can be controlled easily.micro controller based ac power controller.by activating the pki 6050 jammer any incoming calls will be blocked and calls in progress will be cut off,< 500 maworking temperature.is used for radio-based vehicle opening systems or entry control systems,railway security system based on wireless sensor networks,this project shows a no-break power supply circuit,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,with an effective jamming radius of approximately 10 meters,smoke detector alarm circuit,this project shows the controlling of bldc motor using a microcontroller.generation of hvdc from voltage multiplier using marx generator,the jammer is portable and therefore a reliable companion for outdoor use.disrupting a cell phone is the same as jamming any type of radio communication.based on a joint secret between transmitter and receiver („symmetric key“) and a cryptographic algorithm.ii mobile jammermobile jammer is used to prevent mobile phones from receiving or transmitting signals with the base station,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.power supply unit was used to supply regulated and variable power to the circuitry during testing,the marx principle used in this project can generate the pulse in the range of kv.modeling of the three-phase induction motor using simulink.accordingly the lights are switched on and off,the complete system is integrated in a standard briefcase. 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