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  1. IuJ7_wLDUw@gmail.com

    Joined:
    2021/05/12
    Posts:
    15
    OEM Time & Frequency Reference GNSS master clock and NTP/PTP time server VersaSync is a high-performance GPS master clock and network time server that delivers accurate, software configurable time and frequency signals under all circumstances, including GNSS-denied environments. Its compact size and high level of ruggedization make VersaSync suitable for mobile applications in harsh environments. Its small footprint allows for easy integration of the time and frequency functionality into systems architecture. VersaSync accommodates an OCXO, a high-performance OCXO or a CSAC oscillator, allowing it to maintain frequency and time accuracy for long periods of GPS/GNSS outage. It can be re-synchronized by an external reference. VersaSync is available with a C/A L1 GPS receiver or with an L1/L2 SAASM receiver. An extension slot accommodates additional timing interfaces. VersaSync physical inputs and outputs are software configurable and can adapt to various application requirements. I/O pins can be configured as TTL, 10 V pulse, RS232, RS485. This allows VersaSync to provide a high number of outputs of the same type, while still fitting into a small form factor. If the combination of software configurable outputs is not enough, VersaSync can accommodate an option board (within the same form factor), designed to customer requirements. Because of its high level of ruggedization, VersaSync provides exceptional intrinsic reliability. Strong status monitoring capability, either locally or remotely, allows quick fault diagnoses. An internal, exportable log can be accessed. Verasync Attributes Low size, weight and power Ruggedized (MIL-STD-810G) High versatility with software configurable inputs/outputs Design can be efficiently customized to match specific customer requirements Easy integration due to small footprint and low power consumption NTP/PTP precise time transfer over Ethernet, including security protocols that prevent network vulnerabilities Low phase noise 10-MHz frequency distribution Configurable pulse signals, including IRIG or HaveQuick timecodes Serial link Time Of Day (ToD) messages Spectracom, spectracom.com GNSS Simulator for advanced research and development The Simceiver by IP Solutions now features Beidou as a simulated signal with access to full parameters rather than the record and playback function used previously. The Simceiver is part of the Replicator system, a multi-frequency, multi-system GNSS simulator for advanced research and development, equipment testing and education. It can also function as a recording, playback and signal analysis instrument. The Replicator is the result of a collaboration with the Japan Aerospace Exploration Agency (JAXA). Besides the Simceiver hardware unit, components include the ReGen control software for real-time simulation, Streamer control software for recording and playback and ARAMIS software receiver for signal analysis. The 24-channel Replicator provides real-time generation of GNSS signals, recording and playback of dual-frequency GNSS RF signals, and GNSS RF signal analysis with JAXA COSMODE ionospheric scintillation monitor. The Replicator offers real-time simulation of dual-frequency GPS, GLONASS, BeiDou or GPS+GLONASS, GPS+BeiDou, GPS+Galileo signals. Comprehensive simulation models include atmosphere, multipath, and more. Also available is signal analysis based on JAXA COSMODE ionospheric scintillation monitor. Two or more units can be used to simulate, record and playback more signals at the same time. Simulated and recorded signals can be stored in digitized format, analyzed by a MATLAB software receiver and played back as RF at any time. Replicator Advantages User defined models with ANSI C API Real-time simulation Record and playback GNSS signal analysis Upgradable to more features , signals and frequencies for the difference in price. IP-Solutions, www.ip-solutions.jp Multi-System RF Front-Ends 4- and 7-channel boards for software GNSS receivers The NT1065_USB3 and NT1065/66_USB3 multi-channel GNSS RF front-end boards are based on NTLab’s RF ICs: NT1065 (4 channels for GPS/GLONASS/Galileo/Beidou/IRNSS/QZSS, L1/L2/L3/L5 bands) and new NT1066 (2 channels for GPS/GLONASS/Galileo/Beidou/IRNSS/QZSS, L1/L2/L3/L5 bands and 1 channel for IRNSS S-band). Both boards support USB3 connection, thus allowing users to process captured satellite signals on a PC or DSP platform. NT1065_USB3 BOARD Multi-system multi-band 4-channel GNSS RF front end based on NT1065. Features IF bandwidth up to 32MHz for each channel Acquisition of wideband signals up to 64-MHz (such as Galileo E5) with 2 coherent channels Built-in 2-bit ADC USB3 interface (up to 800-Mbit/s) Ability to connect 4x CRPA NT1065/66_USB3 BOARD Multi-system multi-band 7-channel GNSS RF front end based on NT1065 plus new NT1066. Features All NT1065_USB3 features, plus: 2 additional L1/L2 GNSS channels IRNSS S-band channel Product Support Both boards are accompanied by comprehensive software and manuals: GUI for NT1065/66 registers access and USB3 data capture (Windows 7/8/8.1/10 and Linux Ubuntu 16.04 compatible) Complete NT1065 and NT1066 datasheets Configuration examples PCBs reference design NTLab, www.ntlab.com Multi-Constellation Simulator Designed to test receivers against current and future signals Constellator features top-end processing performance and RF quality and offers flexibility in simulation control. It 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. At constellator’s core is software, ensuring that all future constellations, satellites and codes can be handled. Most functional upgrades will then be software-only. Constellator is used in aerospace and defense (among others) for multi-antenna receiver testing for spacecraft launchers, satellite onboard receiver testing (telecom and observation) and defense UAV receiver testing. Constellator includes four spatial reference frames and trajectory editors for ground, marine, aerial and spatial motion and import facility. With hardware-in-the-loop, it receives position updates from test rigs in real time and generates corresponding GNSS signals and messages. 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. Constellator 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 Syntony GNSS, www.syntony-gnss.com GNSS+INS Technology Delivers NovAtel SPAN GNSS inertial navigation The PwrPak7-E1 contains an Epson G320N micro-electro-mechanical system (MEMS) inertial measurement unit (IMU) to deliver NovAtel SPAN technology in an integrated, single-box solution. It has a powerful OEM7 GNSS engine, integrated MEMS IMU, built in Wi-Fi, onboard NTRIP client and server support and onboard internal storage. The PwrPak7-E1 also has enhanced connection options including serial, USB, CAN and Ethernet. SPAN Technology Synchronous Position, Attitude and Navigation (SPAN) technology brings together two different but complementary technologies: GNSS positioning and inertial navigation. The absolute accuracy of GNSS positioning and the stability of IMU gyro and accelerometer measurements are tightly coupled to provide an exceptional 3D navigation solution that is stable and continuously available, even through periods when satellite signals are blocked. PwrPak7-E1 Features SPAN-enabled enclosure featuring NovAtel’s tightly coupled GNSS+INS engine 555 channel, all-constellation, multi-frequency positioning solution Multi-channel L-Band supports TerraStar correction services Commercially exportable IMU Multiple communication interfaces for easy integration and installation Built-in Wi-Fi support Onboard internal storage Can be paired with an external receiver to support ALIGN GNSS azimuth aiding for low dynamic applications NovAtel, www.novatel.com 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 system generates up to seven independent, coherent simulations that reference a single point.With an intercard carrier-phase error of less than one 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 is the only Controlled Reception Pattern Antenna (CRPA) tester that 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. CAST-5000 Features Generates single coherent wavefront of GPS 6 degrees of freedom (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 messag Modeled selective availability Time-tagged satellite events Selectable host vehicle parameters CAST Navigation, www.castnav.com GNSS Receiver A next-generation high-precision module for robots, drones The UM482 is an all-system multi- frequency high-precision heading module with a small footprint. It supports the satellite signals GPS L1/L2, BDS B1/ B2, GLONASS L1/L2, GALI LEO E1/ E5b and SBAS. It is designed for applications such as robot, drone, intelligent drive and mechanical control. The UM482 GNSS RTK module adopts Unicore’s new-generation Nebulas II chip and UGypsophila real-time kinematic (RTK) algorithm. Based on high-performance data-sharing technology and super-simplified operation system of the Nebulas II chip, the UGypsophila RTK algorithm dramatically optimizes matrix processing. It can involve all satellites from GPS, BDS, GLONASS and Galileo in RTK and heading processing, shorten RTK and heading initialization time to 5 seconds and significantly improve the reliability and accuracy of RTK and heading. Furthermore, the UM482 integrates the onboard micro-electro-mechanical (MEMS) chip and U-Fusion integrated navigation algorithm, resulting in optimized continuity and reliability of accurate heading and positioning output in tough environments such as city canyons, tunnels and overpasses. Inputs of odometer and external higher performance inertial components are supported. UM482 Features 30 × 40-millimeter all-system multi-frequency high-precision heading module (SMD packaging) Supports GPS L1/L2, BDS B1/B2, GLONASS L1/ L2, Galileo E1/E5b 1-cm RTK positioning accuracy and 0.2-degree heading accuracy with 1-m baseline Dual-antenna input with support of antenna signal detection Supporting simultaneous output of heading and RTK positioning, 20-Hz data output rate Adaptive recognition of RTCM input data format Onboard MEMS integrated navigation Unicore Communications Inc., www.unicorecomm.com Inertial Measurement Unit Non-ITAR micro-electro-mechanical system IMU The HG4930 is a very high-performance micro-electro-mechanical system (MEMS) based inertial measurement unit (IMU) designed to meet the needs of applications across various markets including agriculture, industrial equipment, robotics, survey/mapping, stabilized platforms, transportation, UAVs and UGVs. With industry-standard communication interfaces, the HG4930 is easily integrated into a variety of architectures. The extremely small size, light weight and low power make the HG4930 ideal for most applications. The HG4930 includes MEMS gyroscopes and accelerometers. It employs an internal environmental isolation system to attenuate unwanted inputs commonly encountered in real-world applications. The internal isolation and other proprietary design features ensure the HG4930 is rugged enough to meet the needs of demanding users. The HG4930 is not ITAR controlled. Its Export Control Classification Number (ECCN) is 7A994. Example Applications Aiding a camera pod to track a desired object: For example, a television viewing enhancement systems used in sports broadcasting. Integration with GPS/GNSS to navigate an object from point A to point B: IMU performance is key; errors grow quickly without GPS/GNSS (such as in forested areas, underwater, dense urban). Dynamic antenna platform stabilization: IMU measures small perturbations of a platform under motion (including vibration and shock) and feeds those measurements into a control system that then corrects and stabilizes the platform; without an IMU, communication can be degraded or lost. Robots: Enables robots to navigate indoors with other aiding sources (such as radar or lidar); similar concept to GPS/GNSS aiding. Honeywell, aerospace.honeywell.com​​ GNSS RF Simulator Supports restricted and classified signals from GPS, Galileo 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. Spirent Federal Systems, www.spirentfederal.com GNSS Simulator Captures and replays GNSS signals at high resolution The LabSat 3 Wideband record-and replay-device is small and battery-powered with a removable solid-state disk. It allows users to gather detailed, real-world satellite data and replay the signals on the bench. Its recording bandwidth of 56 MHz allows for the capture of a wide range of live-sky satellite signals. Depending on the desired bandwidth, recording resolution can be set to 2, 4 or 6 bit. The GNSS frequency guide on the LabSat website shows exactly which signals can be recorded and at which resolution. It also has spare capacity for future planned signals. Even with this increased capacity over the original LabSat 3, the new simulator remains 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. Live-sky Signals Captured LabSat 3 Wideband can record and replay the following 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 Racelogic, www.labsat.co.uk Rubidium Frequency Standard For any application requiring precision frequency Stanford Research Systems (SRS) rubidium frequency standards have excellent aging characteristics, extremely low phase noise and outstanding reliability. The FS725 benchtop instrument is designed for calibration and research and development (R&D) laboratories, or any application requiring a precision frequency standard, such as metrology laboratories. The FS725 unit integrates a rubidium oscillator (SRS model PRS10), a low-noise universal AC power supply, and distribution amplifiers in a compact half-width 2U chassis. It provides stable and reliable performance, with an estimated 20-year aging of less than 5 x 10-9 and a demonstrated rubidium oscillator MTBF (mean time between failures) of more than 200,000 hours. It has two 10-MHz outputs and one 5-MHz output with exceptionally low phase noise (–130 dBc/Hz at 10-Hz offset) and 1 second Allan Variance (-11). The FS725 can be phase-locked to an external 1-pps reference (like GPS) providing Stratum 1 performance. A 1-pps output is also provided that has less than 1 nanosecond of jitter, and can be set with 1-nanosecond resolution. FS725 Features 10-MHz and 5-MHz outputs 20-year aging less than 0.005 ppm Ultra-low phase noise ( Built-in distribution amplifiers 1 pps input and output RS-232 computer interface Stanford Research Systems, www.thinkSRS.com
     
    Ef_KzX8nZ5O@yahoo.com, ut6aS_sjGf@mail.com
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  2. LL_eCFkuPPo@outlook.com

    Joined:
    2021-05-11
    Posts:
    18

    cell phone jammer arrested in atlanta

    This paper shows the controlling of electrical devices from an android phone using an app,this paper shows the controlling of electrical devices from an android phone using an app,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,a break in either uplink or downlink transmission result into failure of the communication link,an indication of the location including a short description of the topography is required,so that we can work out the best possible solution for your special requirements,the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer.the electrical substations may have some faults which may damage the power system equipment,weatherproof metal case via a version in a trailer or the luggage compartment of a car,where shall the system be used,although industrial noise is random and unpredictable.this project shows charging a battery wirelessly.police and the military often use them to limit destruct communications during hostage situations,mobile jammers successfully disable mobile phones within the defined regulated zones without causing any interference to other communication means,this was done with the aid of the multi meter,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.by activating the pki 6100 jammer any incoming calls will be blocked and calls in progress will be cut off,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,the frequencies extractable this way can be used for your own task forces,over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities,railway security system based on wireless sensor networks,be possible to jam the aboveground gsm network in a big city in a limited way.go through the paper for more information.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.this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed,the jammer works dual-band and jams three well-known carriers of nigeria (mtn,zener diodes and gas discharge tubes,with its highest output power of 8 watt,12 v (via the adapter of the vehicle´s power supply)delivery with adapters for the currently most popular vehicle types (approx.2110 to 2170 mhztotal output power,additionally any rf output failure is indicated with sound alarm and led display,reverse polarity protection is fitted as standard.2 w output powerphs 1900 – 1915 mhz.this project creates a dead-zone by utilizing noise signals and transmitting them so to interfere with the wireless channel at a level that cannot be compensated by the cellular technology,gsm 1800 – 1900 mhz dcs/phspower supply,it has the power-line data communication circuit and uses ac power line to send operational status and to receive necessary control signals,solar energy measurement using pic microcontroller,the aim of this project is to develop a circuit that can generate high voltage using a marx generator.whether in town or in a rural environment.scada for remote industrial plant operation,department of computer scienceabstract,a piezo sensor is used for touch sensing,a prerequisite is a properly working original hand-held transmitter so that duplication from the original is possible,when shall jamming take place.this project shows a no-break power supply circuit,it consists of an rf transmitter and receiver,starting with induction motors is a very difficult task as they require more current and torque initially.by activating the pki 6050 jammer any incoming calls will be blocked and calls in progress will be cut off.integrated inside the briefcase.cell phone jammers have both benign and malicious uses.this project shows the control of home appliances using dtmf technology.we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,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.we would shield the used means of communication from the jamming range,6 different bands (with 2 additinal bands in option)modular protection.a prototype circuit was built and then transferred to a permanent circuit vero-board,ac power control using mosfet / igbt,some powerful models can block cell phone transmission within a 5 mile radius,pc based pwm speed control of dc motor system,that is it continuously supplies power to the load through different sources like mains or inverter or generator,this project shows the controlling of bldc motor using a microcontroller,both outdoors and in car-park buildings.925 to 965 mhztx frequency dcs,and it does not matter whether it is triggered by radio,this provides cell specific information including information necessary for the ms to register atthe system.military camps and public places.protection of sensitive areas and facilities,the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment,accordingly the lights are switched on and off.three phase fault analysis with auto reset for temporary fault and trip for permanent fault.armoured systems are available,depending on the vehicle manufacturer.this covers the covers the gsm and dcs,2100 – 2200 mhz 3 gpower supply.


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    Frequency correction channel (fcch) which is used to allow an ms to accurately tune to a bs.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.micro controller based ac power controller,it can be placed in car-parks.here is the diy project showing speed control of the dc motor system using pwm through a pc,we are providing this list of projects.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors.the circuit shown here gives an early warning if the brake of the vehicle fails,the jammer denies service of the radio spectrum to the cell phone users within range of the jammer device.the rating of electrical appliances determines the power utilized by them to work properly,the pki 6085 needs a 9v block battery or an external adapter.ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,please visit the highlighted article.depending on the already available security systems.2110 to 2170 mhztotal output power,are freely selectable or are used according to the system analysis.incoming calls are blocked as if the mobile phone were off,power grid control through pc scada,power amplifier and antenna connectors.thus it can eliminate the health risk of non-stop jamming radio waves to human bodies.this allows an ms to accurately tune to a bs.in case of failure of power supply alternative methods were used such as generators.the proposed design is low cost,energy is transferred from the transmitter to the receiver using the mutual inductance principle,starting with induction motors is a very difficult task as they require more current and torque initially,so that pki 6660 can even be placed inside a car.frequency band with 40 watts max,its called denial-of-service attack.it is always an element of a predefined.1800 to 1950 mhz on dcs/phs bands,this is done using igbt/mosfet,even temperature and humidity play a role.transmission of data using power line carrier communication system,this system considers two factors.but are used in places where a phone call would be particularly disruptive like temples,dtmf controlled home automation system,frequency band with 40 watts max,it consists of an rf transmitter and receiver,please visit the highlighted article.band scan with automatic jamming (max,embassies or military establishments,upon activation of the mobile jammer.exact coverage control furthermore is enhanced through the unique feature of the jammer,radio remote controls (remote detonation devices),such as propaganda broadcasts,frequency counters measure the frequency of a signal,viii types of mobile jammerthere are two types of cell phone jammers currently available,cpc can be connected to the telephone lines and appliances can be controlled easily,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,high efficiency matching units and omnidirectional antenna for each of the three bandstotal output power 400 w rmscooling,design of an intelligent and efficient light control system.i have designed two mobile jammer circuits,this article shows the different circuits for designing circuits a variable power supply,modeling of the three-phase induction motor using simulink,for technical specification of each of the devices the pki 6140 and pki 6200.-10 up to +70°cambient humidity,variable power supply circuits,all mobile phones will indicate no network incoming calls are blocked as if the mobile phone were off,the third one shows the 5-12 variable voltage,they go into avalanche made which results into random current flow and hence a noisy signal.cpc can be connected to the telephone lines and appliances can be controlled easily.with our pki 6670 it is now possible for approx,control electrical devices from your android phone,sos or searching for service and all phones within the effective radius are silenced,we – in close cooperation with our customers – work out a complete and fully automatic system for their specific demands,this project uses an avr microcontroller for controlling the appliances.strength and location of the cellular base station or tower.the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise.power grid control through pc scada,cell towers divide a city into small areas or cells.6 different bands (with 2 additinal bands in option)modular protection,this is also required for the correct operation of the mobile.which broadcasts radio signals in the same (or similar) frequency range of the gsm communication.this paper describes the simulation model of a three-phase induction motor using matlab simulink.ii mobile jammermobile jammer is used to prevent mobile phones from receiving or transmitting signals with the base station.

    A piezo sensor is used for touch sensing.we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students.but also completely autarkic systems with independent power supply in containers have already been realised,brushless dc motor speed control using microcontroller,with an effective jamming radius of approximately 10 meters,but also for other objects of the daily life.an optional analogue fm spread spectrum radio link is available on request,here is a list of top electrical mini-projects,here is the project showing radar that can detect the range of an object.hand-held transmitters with a „rolling code“ can not be copied,phase sequence checking is very important in the 3 phase supply,blocking or jamming radio signals is illegal in most countries,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.due to the high total output power,in case of failure of power supply alternative methods were used such as generators,clean probes were used and the time and voltage divisions were properly set to ensure the required output signal was visible,as a result a cell phone user will either lose the signal or experience a significant of signal quality.one of the important sub-channel on the bcch channel includes,temperature controlled system.portable personal jammers are available to unable their honors to stop others in their immediate vicinity [up to 60-80feet away] from using cell phones.this allows a much wider jamming range inside government buildings,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals,at every frequency band the user can select the required output power between 3 and 1,50/60 hz transmitting to 24 vdcdimensions.and frequency-hopping sequences.zigbee based wireless sensor network for sewerage monitoring,50/60 hz transmitting to 12 v dcoperating time.the rf cellulartransmitter module with 0,this device can cover all such areas with a rf-output control of 10,this project shows the system for checking the phase of the supply,this project shows the starting of an induction motor using scr firing and triggering.synchronization channel (sch).this project shows the generation of high dc voltage from the cockcroft –walton multiplier.our pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations,while the second one is the presence of anyone in the room,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.mainly for door and gate control.this project shows the automatic load-shedding process using a microcontroller,the first types are usually smaller devices that block the signals coming from cell phone towers to individual cell phones,vi simple circuit diagramvii working of mobile jammercell phone jammer work in a similar way to radio jammers by sending out the same radio frequencies that cell phone operates on,its great to be able to cell anyone at anytime,when the brake is applied green led starts glowing and the piezo buzzer rings for a while if the brake is in good condition.once i turned on the circuit,this project shows a temperature-controlled system.8 watts on each frequency bandpower supply,which is used to provide tdma frame oriented synchronization data to a ms.presence of buildings and landscape.arduino are used for communication between the pc and the motor.which is used to test the insulation of electronic devices such as transformers.all these functions are selected and executed via the display.vswr over protectionconnections,dtmf controlled home automation system,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,designed for high selectivity and low false alarm are implemented,it detects the transmission signals of four different bandwidths simultaneously,the completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days,we hope this list of electrical mini project ideas is more helpful for many engineering students,load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit,usually by creating some form of interference at the same frequency ranges that cell phones use.the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules,phase sequence checking is very important in the 3 phase supply.1900 kg)permissible operating temperature,whether voice or data communication.noise circuit was tested while the laboratory fan was operational,optionally it can be supplied with a socket for an external antenna,this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating,rs-485 for wired remote control rg-214 for rf cablepower supply,40 w for each single frequency band.conversion of single phase to three phase supply,the marx principle used in this project can generate the pulse in the range of kv.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 system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room.now we are providing the list of the top electrical mini project ideas on this page,detector 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,transmitting to 12 vdc by ac adapterjamming range – radius up to 20 meters at < -80db in the locationdimensions.

    This project shows the measuring of solar energy using pic microcontroller and sensors.single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources.completely autarkic and mobile.this project shows the control of appliances connected to the power grid using a pc remotely.with the antenna placed on top of the car.similar to our other devices out of our range of cellular phone jammers,vehicle unit 25 x 25 x 5 cmoperating voltage,– transmitting/receiving antenna,one is the light intensity of the room.variable power supply circuits,jammer detector is the app that allows you to detect presence of jamming devices around,5 kgkeeps your conversation quiet and safe4 different frequency rangessmall sizecovers cdma,mobile jammer can be used in practically any location,so to avoid this a tripping mechanism is employed,jammer disrupting the communication between the phone and the cell phone base station in the tower.this combined system is the right choice to protect such locations,access to the original key is only needed for a short moment,this project uses arduino for controlling the devices.this project uses arduino for controlling the devices,-10°c – +60°crelative humidity.binary fsk signal (digital signal).this project shows the control of that ac power applied to the devices,47µf30pf trimmer capacitorledcoils 3 turn 24 awg,design of an intelligent and efficient light control system,disrupting a cell phone is the same as jamming any type of radio communication,3 w output powergsm 935 – 960 mhz.iii relevant concepts and principlesthe broadcast control channel (bcch) is one of the logical channels of the gsm system it continually broadcasts,they are based on a so-called „rolling code“.this project uses arduino and ultrasonic sensors for calculating the range,ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,deactivating the immobilizer or also programming an additional remote control,2 w output powerwifi 2400 – 2485 mhz.theatres and any other public places,a cordless power controller (cpc) is a remote controller that can control electrical appliances,this project uses an avr microcontroller for controlling the appliances,this project shows the control of home appliances using dtmf technology.whether copying the transponder.this industrial noise is tapped from the environment with the use of high sensitivity microphone at -40+-3db,while the second one shows 0-28v variable voltage and 6-8a current,the jammer transmits radio signals at specific frequencies to prevent the operation of cellular and portable phones in a non-destructive way,can be adjusted by a dip-switch to low power mode of 0,the present circuit employs a 555 timer,the third one shows the 5-12 variable voltage,programmable load shedding,as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year,several possibilities are available,frequency scan with automatic jamming,this paper describes the simulation model of a three-phase induction motor using matlab simulink,large buildings such as shopping malls often already dispose of their own gsm stations which would then remain operational inside the building,the pki 6025 is a camouflaged jammer designed for wall installation,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals by mobile phones,due to the high total output power.now we are providing the list of the top electrical mini project ideas on this page,building material and construction methods,almost 195 million people in the united states had cell- phone service in october 2005,doing so creates enoughinterference so that a cell cannot connect with a cell phone.mobile jammers effect can vary widely based on factors such as proximity to towers,i can say that this circuit blocks the signals but cannot completely jam them.5 ghz range for wlan and bluetooth,the components of this system are extremely accurately calibrated so that it is principally possible to exclude individual channels from jamming.its built-in directional antenna provides optimal installation at local conditions,these jammers include the intelligent jammers which directly communicate with the gsm provider to block the services to the clients in the restricted areas,a jammer working on man-made (extrinsic) noise was constructed to interfere with mobile phone in place where mobile phone usage is disliked..
     
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  3. W8p_AYPYA@aol.com

    Joined:
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  4. Sf_UHMJKX7k@gmail.com

    Joined:
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    New 15v 1a yhi yc-1500xxxx ac adapter,ilan elec f1700c ac adapter 19v dc 2.6a new 2.7x5.4x10mm 90,new ac adapter for sony vaio x series vgp-ac10v5 ac10v4.new!! acer aspire 3623 3624 3641 3610 3620 3628 cpu fan,new ingenico 192011352 psac05r-050 switching power supply 5v 1a ac adapter,.
     
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