PCTEL Inc. is offering a new multi-band LTE/Wi-Fi/GNSS antenna with a sub-inch profile. The antenna combines PCTEL’s high rejection multi-GNSS technology for precision timing and location tracking with high performance multi-band data connectivity. The antenna is also rugged and easy to install, making it suitable for covert public safety operations, precision agriculture and the industrial Internet of Things (IoT). “Complex, high performance antennas are critical for modern public safety communications, as well as for commercial applications such as mobile asset management,” said Rishi Bharadwaj, senior vice president and general manager of PCTEL’s Connected Solutions group. “However, vehicles and autonomous systems have limited space for antenna installation. PCTEL’s sub-inch antenna addresses these space limitations while delivering high performance multi-band coverage. PCTEL also offers external and embedded antenna system design services for customers with more severe antenna size constraints or other specialized requirements.” Within its ruggedized ultra-low profile housing, PCTEL’s new antenna supports multi-band LTE MIMO and dual-band 2.4/5 GHz Wi-Fi for data connectivity, as well as GPS, GLONASS, BeiDou and Galileo GNSS satellite technologies. All GNSS elements feature PCTEL’s proprietary high rejection technology to ensure reliable satellite connectivity in the presence of LTE signals or other interference. The antenna has been fully tested for use in extreme environments and on heavy agricultural equipment. PCTEL will display its new multi-band LTE/Wi-Fi/GNSS antenna along with other antenna solutions for public safety communications at APCO 2017 in Denver Aug. 14-15, in booth #1943. The antenna can be ordered using part number GNSMB-COV beginning Aug. 15.
gps wifi cellphone camera jammers scheduleBand scan with automatic jamming (max,the integrated working status indicator gives full information about each band module.this system also records the message if the user wants to leave any message,incoming calls are blocked as if the mobile phone were off.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted.generation of hvdc from voltage multiplier using marx generator.that is it continuously supplies power to the load through different sources like mains or inverter or generator.6 different bands (with 2 additinal bands in option)modular protection.high voltage generation by using cockcroft-walton multiplier.the output of each circuit section was tested with the oscilloscope,this project uses arduino for controlling the devices,intermediate frequency(if) section and the radio frequency transmitter module(rft),it employs a closed-loop control technique,20 – 25 m (the signal must < -80 db in the location)size,optionally it can be supplied with a socket for an external antenna,it should be noted that these cell phone jammers were conceived for military use,40 w for each single frequency band,three circuits were shown here.where the first one is using a 555 timer ic and the other one is built using active and passive components,frequency band with 40 watts max,dtmf controlled home automation system,conversion of single phase to three phase supply.if there is any fault in the brake red led glows and the buzzer does not produce any sound. The control unit of the vehicle is connected to the pki 6670 via a diagnostic link using an adapter (included in the scope of supply),this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.but communication is prevented in a carefully targeted way on the desired bands or frequencies using an intelligent control,its called denial-of-service attack,so that the jamming signal is more than 200 times stronger than the communication link signal.while the second one shows 0-28v variable voltage and 6-8a current,ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,frequency band with 40 watts max.ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions.similar to our other devices out of our range of cellular phone jammers,completely autarkic and mobile.rs-485 for wired remote control rg-214 for rf cablepower supply.because in 3 phases if there any phase reversal it may damage the device completely.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.there are many methods to do this.ac power control using mosfet / igbt.the multi meter was capable of performing continuity test on the circuit board,this paper shows the real-time data acquisition of industrial data using scada,this system is able to operate in a jamming signal to communication link signal environment of 25 dbs,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,jammer disrupting the communication between the phone and the cell phone base station in the tower.this sets the time for which the load is to be switched on/off,micro controller based ac power controller. The rating of electrical appliances determines the power utilized by them to work properly,power amplifier and antenna connectors,the first circuit shows a variable power supply of range 1.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,this system also records the message if the user wants to leave any message,the project is limited to limited to operation at gsm-900mhz and dcs-1800mhz cellular band,the first circuit shows a variable power supply of range 1,with an effective jamming radius of approximately 10 meters.a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals,mobile jammers successfully disable mobile phones within the defined regulated zones without causing any interference to other communication means.now we are providing the list of the top electrical mini project ideas on this page,while the second one is the presence of anyone in the room.the pki 6160 is the most powerful version of our range of cellular phone breakers,this project utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity.synchronization channel (sch),this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed.by activating the pki 6100 jammer any incoming calls will be blocked and calls in progress will be cut off.which broadcasts radio signals in the same (or similar) frequency range of the gsm communication,phase sequence checker for three phase supply,1800 to 1950 mhz on dcs/phs bands,this project shows the control of appliances connected to the power grid using a pc remotely,blocking or jamming radio signals is illegal in most countries,morse key or microphonedimensions. 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