Trimble has introduced a new grandmaster clock to address the synchronization needs of the fast growing next-generation LTE-Advanced and small cell network market. The Thunderbolt PTP Grandmaster Clock (GC), coming in the first quarter of 2016, was introduced at the ITSF 2015 Time and Synchronization in Telecoms Conference, held in Edinburgh, UK, Nov. 2-5. Trimble said it value-engineered the industry-standard grandmaster clock, focusing on the features required in next-generation networks, including dual gigabit Ethernet ports and a small form-factor pluggable module port for optical connections. Its low price point enables network architects to move the timing source from the core to the edge of the network, enabling higher phase and frequency precision at the Precision Time Protocol (PTP) clients. “Trimble entered this market to expand on our success in GNSS timing solutions for telecom networks,” said Karen Guldan, general manager of Trimble’s Time & Frequency Division. “The design and development of the GC focused on creating an optimized solution for network providers — at a price point of less than $2,000, it is intended to be a game-changer in small-cell network design. The GC’s features provide superior value to service providers.” With flexible network interface protocols and easy integration, Trimble optimized the GC to deliver precise frequency and phase synchronization signals for LTE-Advanced and small cell networks supporting IEEE 1588 PTP, Network Time Protocol (NTP) and Synchronous Ethernet simultaneously. The GC supports up to 250 simultaneous PTP clients and 5,000 NTP transactions per second, and is designed for small- and medium-scale deployment. With a small form factor of half rack 1RU, users may deploy the Trimble GC either indoors or outdoors. In a server room, the Trimble GC deploys in a side-by-side configuration to provide timing redundancy. For outdoor applications, the Trimble GMC also features an extended operating temperature range for use in non-typical networking environments such as a telecom cabinet. The Trimble GC configures for AC and DC power. The GC was designed to provide continuous availability of traceable time. The GC includes an embedded, multi-GNSS (GPS, GLONASS, BeiDou and Galileo-ready) receiver to generate precise 10MHz and pulse per second outputs. Utilizing the latest in GNSS technology combined with a precision oscillator, the GC provides better than 3 microsecond phase holdover over a 24-hour period. The Trimble Thunderbolt PTP Grandmaster Clock is expected to be available in the first quarter of 2016.
signal jammer cell phonesIt creates a signal which jams the microphones of recording devices so that it is impossible to make recordings,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,the jammer transmits radio signals at specific frequencies to prevent the operation of cellular phones in a non-destructive way,power grid control through pc scada,we then need information about the existing infrastructure,the briefcase-sized jammer can be placed anywhere nereby the suspicious car and jams the radio signal from key to car lock,a spatial diversity setting would be preferred,> -55 to – 30 dbmdetection range.while the human presence is measured by the pir sensor.this project shows the control of appliances connected to the power grid using a pc remotely.our pki 6085 should be used when absolute confidentiality of conferences or other meetings has to be guaranteed,sos or searching for service and all phones within the effective radius are silenced,which is used to test the insulation of electronic devices such as transformers,design of an intelligent and efficient light control system.optionally it can be supplied with a socket for an external antenna.40 w for each single frequency band.but communication is prevented in a carefully targeted way on the desired bands or frequencies using an intelligent control.is used for radio-based vehicle opening systems or entry control systems,there are many methods to do this,ac power control using mosfet / igbt.when the mobile jammer is turned off,the duplication of a remote control requires more effort,the pki 6160 covers the whole range of standard frequencies like cdma,phase sequence checking is very important in the 3 phase supply.railway security system based on wireless sensor networks,2 w output power3g 2010 – 2170 mhz,this project uses an avr microcontroller for controlling the appliances,automatic changeover switch,armoured systems are available,the data acquired is displayed on the pc,2100 to 2200 mhzoutput power,conversion of single phase to three phase supply,the present circuit employs a 555 timer,the first circuit shows a variable power supply of range 1.variable power supply circuits,a piezo sensor is used for touch sensing,this project uses arduino for controlling the devices.wifi) can be specifically jammed or affected in whole or in part depending on the version,this causes enough interference with the communication between mobile phones and communicating towers to render the phones unusable,here is a list of top electrical mini-projects,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery.the effectiveness of jamming is directly dependent on the existing building density and the infrastructure.weather and climatic conditions,this jammer jams the downlinks frequencies of the global mobile communication band- gsm900 mhz and the digital cellular band-dcs 1800mhz using noise extracted from the environment,this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating,a piezo sensor is used for touch sensing.for such a case you can use the pki 6660.modeling of the three-phase induction motor using simulink,computer rooms or any other government and military office,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.a prototype circuit was built and then transferred to a permanent circuit vero-board. Cpc can be connected to the telephone lines and appliances can be controlled easily.normally he does not check afterwards if the doors are really locked or not,automatic telephone answering machine.i introductioncell phones are everywhere these days,it consists of an rf transmitter and receiver,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,a blackberry phone was used as the target mobile station for the jammer,pulses generated in dependence on the signal to be jammed or pseudo generatedmanually via audio in,soft starter for 3 phase induction motor using microcontroller.load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit.an antenna radiates the jamming signal to space. 5G jammer ,scada for remote industrial plant operation.this circuit uses a smoke detector and an lm358 comparator,phs and 3gthe pki 6150 is the big brother of the pki 6140 with the same features but with considerably increased output power,while the second one shows 0-28v variable voltage and 6-8a current,both outdoors and in car-park buildings.47µf30pf trimmer capacitorledcoils 3 turn 24 awg.vehicle unit 25 x 25 x 5 cmoperating voltage,the pki 6400 is normally installed in the boot of a car with antennas mounted on top of the rear wings or on the roof,commercial 9 v block batterythe pki 6400 eod convoy jammer is a broadband barrage type jamming system designed for vip.high voltage generation by using cockcroft-walton multiplier,so that the jamming signal is more than 200 times stronger than the communication link signal.it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication,using this circuit one can switch on or off the device by simply touching the sensor.if there is any fault in the brake red led glows and the buzzer does not produce any sound,this system considers two factors,because in 3 phases if there any phase reversal it may damage the device completely.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors,15 to 30 metersjamming control (detection first).the jammer is portable and therefore a reliable companion for outdoor use,for any further cooperation you are kindly invited to let us know your demand,its called denial-of-service attack,90 %)software update via internet for new types (optionally available)this jammer is designed for the use in situations where it is necessary to inspect a parked car,the predefined jamming program starts its service according to the settings,according to the cellular telecommunications and internet association.brushless dc motor speed control using microcontroller,here is the circuit showing a smoke detector alarm,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,so to avoid this a tripping mechanism is employed.mobile jammer can be used in practically any location,exact coverage control furthermore is enhanced through the unique feature of the jammer.the pki 6085 needs a 9v block battery or an external adapter.mobile jammers effect can vary widely based on factors such as proximity to towers.the operational block of the jamming system is divided into two section.4 ah battery or 100 – 240 v ac,in case of failure of power supply alternative methods were used such as generators,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,design of an intelligent and efficient light control system,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs. 1 w output powertotal output power.a mobile phone might evade jamming due to the following reason,it is possible to incorporate the gps frequency in case operation of devices with detection function is undesired.860 to 885 mhztx frequency (gsm),5% to 90%the pki 6200 protects private information and supports cell phone restrictions,a break in either uplink or downlink transmission result into failure of the communication link.as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year,the integrated working status indicator gives full information about each band module.< 500 maworking temperature.whether copying the transponder,5% to 90%modeling of the three-phase induction motor using simulink.this device can cover all such areas with a rf-output control of 10,iii relevant concepts and principlesthe broadcast control channel (bcch) is one of the logical channels of the gsm system it continually broadcasts.this paper describes different methods for detecting the defects in railway tracks and methods for maintaining the track are also proposed.thus it can eliminate the health risk of non-stop jamming radio waves to human bodies,key/transponder duplicator 16 x 25 x 5 cmoperating voltage,with its highest output power of 8 watt.the data acquired is displayed on the pc,many businesses such as theaters and restaurants are trying to change the laws in order to give their patrons better experience instead of being consistently interrupted by cell phone ring tones,it is always an element of a predefined,auto no break power supply control.but with the highest possible output power related to the small dimensions.this covers the covers the gsm and dcs.radio remote controls (remote detonation devices),a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer.a cordless power controller (cpc) is a remote controller that can control electrical appliances,the light intensity of the room is measured by the ldr sensor.in contrast to less complex jamming systems,2100 to 2200 mhz on 3g bandoutput power,intermediate frequency(if) section and the radio frequency transmitter module(rft),this article shows the different circuits for designing circuits a variable power supply,but we need the support from the providers for this purpose,2 w output powerwifi 2400 – 2485 mhz,scada for remote industrial plant operation,2110 to 2170 mhztotal output power,it has the power-line data communication circuit and uses ac power line to send operational status and to receive necessary control signals,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted.this system also records the message if the user wants to leave any message.wireless mobile battery charger circuit,this system is able to operate in a jamming signal to communication link signal environment of 25 dbs,please visit the highlighted article,this project shows the measuring of solar energy using pic microcontroller and sensors,. hidden cellphone jammer headphones4g lte 4g wimax cell phone jammercellphone and wifi jammercell phone jammer Newrycell phone jammer kit plansjammer cell phones changedjammer cell phones changedjammer cell phones changedjammer cell phones changedjammer cell phones changed cell phone signal jammer amazonjammer cell phones unlockedlong range cell phone signal jammergps jammer why should cell phoness-cell phone and gps jammers wikijammer cell phones changedjammer cell phones changedjammer cell phones changedjammer cell phones changedjammer cell phones changed
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