Block call on cell phone , personal cell phone signal blocker device

A roundup of recent products in the GNSS and inertial positioning industry from the October 2020 issue of GPS World magazine. OEM GNSS antennas Active and passive Photo: 2J Antennas A new range of high-precision GNSS antennas is designed for superior accuracy and reliability, with both active external antennas and passive internal ceramic antennas. The antennas provide precision, high bandwidth, and an advanced signal design for GPS, GLONASS, BeiDou, Galileo, IRNSS and SBAS navigation. They are designed for demanding GPS applications that require centimeter-level accuracy by combining precise point positioning (PPP) of L1 and L2 or by combining L1 and L5 bands with real-time kinematic (RTK) satellite navigation. Applications include aviation safety, UAVs, transportation, autonomous vehicles, agriculture and land and hydrographic surveys. 2J Antennas, 2j-antennas.com Helical Antenna For high-accuracy positioning Photo: Tallysman The HC976 housed and HC976E embedded helical antennas are light and compact, suitable for applications ranging from autonomous navigation to GNSS timing. Both models support GPS/QZSS-L1/L2/L6, GLONASS-G1/G2, Galileo-E1/E6, and BeiDou-B1/B3 frequency bands as well as regional augmentation systems and high-precision L-band correction services. The HC976 and HC976E support QZSS-L6, Galileo-E6 and BeiDou-B3. The HC976 is 44 x 62 millimeters and weighs 42 grams. It features a precision-tuned helical element that provides an excellent axial ratio and operates without the requirement of a ground plane, making it suitable for a wide variety of high-precision applications. Tallysman, tallysman.com Timing module With nanosecond-level accuracy Photo: Septentrio The mosaic-T GPS/GNSS receiver module is built for resilient and precise time and frequency synchronization under challenging conditions. Its multi-frequency, multi-constellation GNSS technology with AIM+ Advanced Interference Mitigation algorithms allows mosaic-T to achieve maximal availability even in the presence of GNSS jamming or spoofing. The compact surface-mount module is designed for automated assembly and high-volume production. Mosaic-T delivers timing and has additional inputs for an external high-accuracy clock. Septentrio, septentrio.com Inertial system For autonomous vehicles, surveying Photo: Honeywell The HGuide n380 inertial navigation system (INS) communicates an object’s position, orientation and velocity when GNSS signals are unavailable. It is built to withstand harsh environments in the air, on land or at sea. It is designed to meet the need for a small, high-performance INS for 3D mapping, surveying and other applications where space is at a premium. It is composed of Honeywell’s HGuide i300 inertial measurement unit (IMU), a GNSS receiver and Honeywell’s proprietary sensor-fusion software, which is based on the algorithms used for navigation on millions of aircraft every day. Honeywell, honeywell.com Mobility module Integrates dead reckoning, RTK Photo: Quectel The LC29D eMobility module is a sub-meter-level GNSS module that integrates dead-reckoning and multi-band (L1/L5) real-time kinematic (RTK) algorithm technologies with fast convergence times and reliable performance. The module supports dual-band GNSS raw data output and integrates a 6-axis IMU sensor to deliver high-accuracy positioning performance in seconds. Based on the Broadcom BCM47758 GNSS chip, the LC29D can concurrently receive signals from up to six constellations (GPS, GLONASS, Galileo, IRNSS, BeiDou and QZSS), which maximizes the availability of sub-meter level accuracy. It offers a position update rate of up to 30 Hz (fusion output), enabling dynamic applications like shared emobility, delivery robots and precision agriculture to receive position information with lower latency. Quectel Wireless Solutions, quectel.com SURVEYING & MAPPING Lidar series Collects 3D and geospatial data Photo: CHCNAV The AlphaUni 300/900/1300 lidar series provides light, versatile long-range laser scanner systems for the high-end market. The series provides optimized data sets powered by advanced GNSS/inertial navigation system (INS) sensors and long-range Riegl scanners. AlphaUni’s design adapts to a variety of applications and can be installed on a variety of platforms, including multi-rotor UAV, fixed-wing vertical-takeoff-and-landing (VTOL) UAV, vehicles, rail trolleys, backpacks, boats and more. CHC Navigation, www.chcnav.com GNSS receiver With multi-touch screen Photo: Geneq The F100 GNSS receiver, an upgrade to the F90, is designed to meet surveyors’ demands for high field performance, flexibility and cost-effectiveness. It tracks multiple constellations (GPS, GLONASS, Galileo, BeiDou) and can maximize the acquisition and tracking process with all-in-view GNSS frequencies. The 1.45-inch color LCD display is a multi-touch capacitive screen. The F100 has 32GB of internal memory. Its integrated second-generation web user interface control is compatible with all devices and browsers. Geneq, www.geneq.com Windows software Uses all four constellations Screenshot: Eos Positioning Eos Tools Pro for Windows 10 implements powerful new features that enable users to exploit all four global GNSS constellations and a state-of-the-art NTRIP client to access real-time kinematic (RTK) bases and RTK networks all over the world via NTRIP, Direct IP and wireless radios. It provides the latest support for Windows Geolocation and other features by Microsoft to allow customers to use high-accuracy locations directly in their apps, such as RTK network/RTK base connectivity, support for all new Beidou and Galileo satellites, and SafeRTK functionality for areas with marginal cellular coverage. Features for app developers are also available. Eos Positioning Systems, eos-gnss.com Microsoft, microsoft.com UAV Multi-rotor drone Optimized for lidar Photo: CHCNAV The BB4 UAV high-end multi-rotor drone is optimized for the AlphaUni 300/900/1300 lidar series. Its modular design simplifies deployment in just a few minutes. Its 7-kg payload breaks the capacity barrier, and its more than 45 minutes of flight time increases the airborne lidar survey ability. The redundant CHCNAV and DJI inertial measurement unit (IMU) and GNSS unit provide reliable centimeter real-time kinematic (RTK) positioning, meeting the demand for high accuracy in the geospatial and mapping industries. CHC Navigation, www.chcnav.com Medical delivery system Speeds receipt of essential supplies Photo: Antwork Robotics The ADNET autonomous delivery network is a technical solution to transport medical samples and quarantine materials in cities. It uses an RA3 drone, unmanned vehicle RG1 and RH1 hub station to deliver medical supplies without relying on manpower, alleviating time spent in traffic and the cost of traditional delivery. Supplies retrieved by the RG1 vehicle are delivered to the RH1 hub for sorting and redirecting, while the drone transfers the supplies between hubs. The RG1 then delivers goods on the receiving end. The system was demonstrated during China’s COVID-19 epidemic prevention and control period, reducing contact between samples and personnel. Terra Drone, terra-drone.net Antwork Robotics, antwork.link Autopilot For manufacturers of aerial targets Photo: The VECTOR-400 is a compact autopilot designed specifically for unmanned aerial vehicles. It features a robust enclosure and a military-grade connector for harsh environments (MIL-STD 810 and MIL-STD 461). Features enable sea-skimming (extremely low-level flight) and the capability to navigate without GNSS. The VECTOR-400 is able to continue a mission in case of individual sensor failure and when subject to jamming, maintaining accurate estimations of attitude and position. Advanced algorithms provide stall prevention and the ability to carry out an efficient gliding maneuver in case of engine failure. Its air data attitude and heading reference system and inertial navigation system provide high-precision attitude information and reliable navigation under demanding circumstances. UAV Navigation, uavnavigation.com Interceptor drone Deters careless and criminal drones Photo: Fortem Technologies The F700 DroneHunter UAS is a radar-based autonomous interceptor drone for tracking and stopping dangerous drones. Its flexible undercarriage offers interchangeable counter measures for single, multiple or swarm-based threats, while its lightweight carbon-fiber frame enables quick speed and response. The F700 can carry multiple types of anti-drone countermeasures and deploy them in real time, based on which dynamic threat is detected miles beyond the protected area. The pogo pins and payload snaps of the undercarriage are integrated with artificial intelligence for firing and flight software. Fortem Technologies, fortemtech.com Parachute system Protects investment in drone, sensors Photo: Drone Rescue Systems Drones equipped with cost-intensive cameras and sensors need protection in the event of a flight-system failure. A parachute system for the DJI M210 drone is now available. Both commercial and emergency response operations are using the M210; its design and flexibility allow for a variety of industry-specific applications. The DRS-M210 parachute system is designed to ensure high pendulum and wind stability, allowing a damaged drone to land safely with minimal impact. Drone Rescue Systems, dronerescue.com TRANSPORTATION Aircraft panel display Altitude indicator (AI) or directional gyro (DG) replacement Photo: uAvionix The AV-30-C aircraft panel display adds a suite of in-flight information for pilots, including GPS navigational data, a probeless angle of attack indicator, baro-corrected altitude, indicated/vertical/true airspeed, non-slaved heading, bus voltage and G load. It is designed to fit into any aircraft with a 3 1/8-inch round instrument slot without cutting or modifying the panel. It is authorized for FAR Part 23 Class 1 and Class 2 aircraft listed on the AV-30-C Approved Model List (AML), containing 635 aircraft models including Cessna, Piper, Beechcraft, American Champion, Maule, Boeing, Swift, Mooney, Aviat and others. UAvionix, uavionix.com Computer with GNSS Certified for rolling rail stock Photo: Lanner The R3S series of rugged, EN-50155-certified fanless vehicle/rail computers is equipped with a u-blox NEO-M8N module, which receives GPS, Galileo, GLONASS and BeiDou with the default set for GPS + GLONASS dual band. The series offers power-efficient performance for consolidating in-vehicle workloads such as video surveillance, control/monitoring, passenger information and Wi-Fi hotspot sharing. For edge-to-cloud connectivity, R3S uses its internal GPS/GLONASS chipsets for GPS tracking and has two M.2 slots with up to 4x SIM card readers for failover LTE connection. To ensure proper operations in moving vehicles, the series is certified with EN50155, EN50121-3-2, EN50121-4, EN50125-3, EN45545 and E13 standards and has passed MIL-STD-810G shock and vibration resistance certifications. The series can operate under a wide temperature range and offers excellent reliability in harsh railway settings. It has one external removable 2.5-inch HDD/SSD drive bay for recorded footage storage. For consolidating in-vehicle workloads such as in-vehicle control/monitoring and passenger information, the R3S features a variety of I/O support, including 2x HDMI, DI/DO, 3x COM/CAN BUS and 4xUSB ports. Lanner Electronics, lannerinc.com u-blox, ublox.com

block call on cell phone

The first circuit shows a variable power supply of range 1.this is done using igbt/mosfet.wireless mobile battery charger circuit,starting with induction motors is a very difficult task as they require more current and torque initially,phase sequence checker for three phase supply.this device is the perfect solution for large areas like big government buildings,power grid control through pc scada,armoured systems are available.2 – 30 m (the signal must < -80 db in the location)size,intermediate frequency(if) section and the radio frequency transmitter module(rft),due to the high total output power,so that the jamming signal is more than 200 times stronger than the communication link signal.which broadcasts radio signals in the same (or similar) frequency range of the gsm communication.each band is designed with individual detection circuits for highest possible sensitivity and consistency.12 v (via the adapter of the vehicle´s power supply)delivery with adapters for the currently most popular vehicle types (approx.by activating the pki 6100 jammer any incoming calls will be blocked and calls in progress will be cut off,15 to 30 metersjamming control (detection first).when the brake is applied green led starts glowing and the piezo buzzer rings for a while if the brake is in good condition,incoming calls are blocked as if the mobile phone were off.the integrated working status indicator gives full information about each band module,2 to 30v with 1 ampere of current.this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room.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,the continuity function of the multi meter was used to test conduction paths,the frequencies extractable this way can be used for your own task forces,the proposed design is low cost.

The completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days.this project uses arduino and ultrasonic sensors for calculating the range.we then need information about the existing infrastructure.the third one shows the 5-12 variable voltage,they are based on a so-called „rolling code“,temperature controlled system,ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,a jammer working on man-made (extrinsic) noise was constructed to interfere with mobile phone in place where mobile phone usage is disliked,10 – 50 meters (-75 dbm at direction of antenna)dimensions.3 w output powergsm 935 – 960 mhz.single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources,a cordless power controller (cpc) is a remote controller that can control electrical appliances,jammer disrupting the communication between the phone and the cell phone base station in the tower,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.micro controller based ac power controller,the data acquired is displayed on the pc,several possibilities are available.by this wide band jamming the car will remain unlocked so that governmental authorities can enter and inspect its interior,wireless mobile battery charger circuit,as a result a cell phone user will either lose the signal or experience a significant of signal quality,temperature controlled system.when the mobile jammer is turned off,the complete system is integrated in a standard briefcase.this system considers two factors,the civilian applications were apparent with growing public resentment over usage of mobile phones in public areas on the rise and reckless invasion of privacy,the pki 6160 covers the whole range of standard frequencies like cdma.

Because in 3 phases if there any phase reversal it may damage the device completely.standard briefcase – approx,theatres and any other public places.its called denial-of-service attack,this article shows the different circuits for designing circuits a variable power supply,all these security features rendered a car key so secure that a replacement could only be obtained from the vehicle manufacturer.the device looks like a loudspeaker so that it can be installed unobtrusively,50/60 hz permanent operationtotal output power,band selection and low battery warning led.this task is much more complex,the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise,phs and 3gthe pki 6150 is the big brother of the pki 6140 with the same features but with considerably increased output power,the signal must be < – 80 db in the locationdimensions,868 – 870 mhz each per devicedimensions,this industrial noise is tapped from the environment with the use of high sensitivity microphone at -40+-3db,the output of each circuit section was tested with the oscilloscope.go through the paper for more information,my mobile phone was able to capture majority of the signals as it is displaying full bars.2110 to 2170 mhztotal output power,our pki 6085 should be used when absolute confidentiality of conferences or other meetings has to be guaranteed,we have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,placed in front of the jammer for better exposure to noise.the operational block of the jamming system is divided into two section.cell phones are basically handled two way ratios.one of the important sub-channel on the bcch channel includes.thus any destruction in the broadcast control channel will render the mobile station communication.

The cockcroft walton multiplier can provide high dc voltage from low input dc voltage,the jammer is portable and therefore a reliable companion for outdoor use.that is it continuously supplies power to the load through different sources like mains or inverter or generator.this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed,while most of us grumble and move on.this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating.binary fsk signal (digital signal),> -55 to – 30 dbmdetection range,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 utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity.here is a list of top electrical mini-projects,this project shows the starting of an induction motor using scr firing and triggering,here a single phase pwm inverter is proposed using 8051 microcontrollers,noise generator are used to test signals for measuring noise figure,complete infrastructures (gsm.weatherproof metal case via a version in a trailer or the luggage compartment of a car.860 to 885 mhztx frequency (gsm).here is the project showing radar that can detect the range of an object,so to avoid this a tripping mechanism is employed,it should be noted that these cell phone jammers were conceived for military use,dtmf controlled home automation system.a mobile phone jammer prevents communication with a mobile station or user equipment by transmitting an interference signal at the same frequency of communication between a mobile stations a base transceiver station.smoke detector alarm circuit,can be adjusted by a dip-switch to low power mode of 0.the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules,dean liptak getting in hot water for blocking cell phone signals.

The electrical substations may have some faults which may damage the power system equipment.it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication.it detects the transmission signals of four different bandwidths simultaneously,frequency band with 40 watts max.this project shows the control of that ac power applied to the devices,whether copying the transponder,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,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,this project uses arduino for controlling the devices.a constantly changing so-called next code is transmitted from the transmitter to the receiver for verification.you can produce duplicate keys within a very short time and despite highly encrypted radio technology you can also produce remote controls,you may write your comments and new project ideas also by visiting our contact us page,while the second one is the presence of anyone in the room,its great to be able to cell anyone at anytime.starting with induction motors is a very difficult task as they require more current and torque initially,9 v block battery or external adapter,the common factors that affect cellular reception include,such as propaganda broadcasts.this is also required for the correct operation of the mobile,jammer detector is the app that allows you to detect presence of jamming devices around.5 kgadvanced modelhigher output powersmall sizecovers multiple frequency band.optionally it can be supplied with a socket for an external antenna,soft starter for 3 phase induction motor using microcontroller.the present circuit employs a 555 timer.in case of failure of power supply alternative methods were used such as generators,a break in either uplink or downlink transmission result into failure of the communication link.

We would shield the used means of communication from the jamming range,.