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Cover photo: Topcon Lay of the GNSS Land Top receiver manufacturers discuss what’s on the horizon for GNSS receivers. The companies reveal recent and upcoming innovations, how to combat spoofing and jamming, fusing GNSS with other sensors, and the impact of increasing accuracy both for professional surveyors and consumers. With regard to jamming and spoofing, the preferred approach is a combination of monitoring, detection and filtering. However, shielding, the use of IMUs and other third-party sensors, and advances in processing algorithms also help mitigate interference. In a few years, hopefully, encrypted or “watermarked” signals will substantially reduce this problem. IMUs and other sensors are now routinely integrated with GNSS receivers, with their outputs fused. This trend is largely propelled on the demand side by the needs of the emerging market for autonomous vehicles and on the supply side by smaller, cheaper and more accurate IMUs and lidar scanners. Meanwhile, developments in algorithms have improved the modeling of errors to correct for the inherent tendency of IMUs to drift. Additionally, digital cameras, lidar and other industry-specific sensors are increasingly common, especially for collision avoidance in human-machine interactions. In surveying, the use of all constellations and frequencies, as they become available, is an industry trend. Costs will continue to drop as the growth in the adoption of GNSS solutions enables manufacturers to take greater advantage of economies of scale. Precise point positioning (PPP), which benefits greatly from the growth in GNSS constellations, is now giving real-time kinematic (RTK) positioning a run for its money. Available applications enable Android mobile devices to achieve centimeter accuracy, while innovations continue in core positioning algorithms. In the world of mobile consumer devices, dual-frequency, multi-constellation GNSS chipsets are increasingly prevalent. As increased accuracy fuels expectations for even higher accuracy, precision positioning may become the norm in the consumer space, and new applications for these devices may emerge. Already, crowdsourcing the monitoring of both GNSS signals and interference helps improve accuracy for everyone, in a positive feedback loop. Other notable trends include the introduction and expansion of 5G data networks, the increased use of satellite-based correction services, and continued efforts to develop precise positioning for indoor areas. (See part 2 of this feature here.) Topcon Jamming and Spoofing. “We continue to develop and deploy patented technology to detect spoofing,” said Alok Srivastava, director, product management. “We already have cutting edge GNSS antenna technology to provide stellar support for interference rejection and filtering.” All Topcon end products have this advanced antenna and filtering technology. Sensor Fusion. “Topcon has been using inertial systems for decades for a variety of positioning applications — such as machine control, mobile mapping, and agriculture,” said Srivastava. “In recent years, advancements in IMU technology have progressed to where the size and cost of these sensors are at levels to be utilized at a larger scale. For example, the recently released Topcon HiPer VR takes advantage of inertial technology to improve productivity in real time with our Topcon Integrated Leveling Technology (TILT), which compensates for mis-leveled field measurements out of plumb by as much as 15 degrees.” Surveying. Topcon continues to invest in its core positioning algorithms to innovate such features as quartz lock loop, advanced multi-engine platform, and VHD heading technology into its positioning engines, Srivastava said. “We also produce solutions such as our Millimeter GPS and Hybrid Positioning innovations, which are designed around improving accuracy, higher reliability, and greater flexibility by converging positioning technologies.” Consumer Devices. “GNSS in consumer devices and other commercial systems is used to aid other positioning sensors,” Srivastava said. “So, it may not be in the best of interest to offer that level of accuracy from GNSS alone.” Other Challenges. Precise indoor positioning is a requirement of the vertical construction industry. “Topcon’s combined optical instrument takes a unique approach to solve that problem by integrating a compact laser scanner with a fully featured robotic total station,” Srivastava said. Photo: CHC Navigation CHC Navigation Jamming and Spoofing. CHCNav is currently taking a twofold approach to GNSS interference, said François Martin, vice general manager, International Division. “As a GNSS system integrator, we focus our design around strong electromagnetic shielding and sealed isolation chambers.” Additionally, he pointed out, the advanced filtering of GNSS signals and an antenna patch produce optimal interference mitigation. Sensor Fusion. Integrating interference-free, high-dynamic IMUs instead of MEMS has brought the full benefits of tilt compensation to users, Martin said. The latest development in algorithms dramatically obviated the need for the annoying process of initializing GNSS IMU receivers and boosted the availability of GNSS RTK in demanding environments. Surveying. The fast adoption of GNSS solutions by large user segments has reduced costs by enabling a sizable manufacturing economy of scale, Martin pointed out. “Tighter combination of embedded technologies such as GNSS and connectivity modules are sustaining that cost reduction process.” Consumer Devices. “The emergence of dual frequency multi-constellation GNSS chipsets supports the development of untapped user segments, but the position accuracy repeatability remains an issue,” Martin said. “The integration of GNSS chipset and high-performance helical antennas, as precision add-on modules, onto rugged Android cell phone and tablets is creating a prosumer-grade centimeter to decimeter accuracy answering to a wide range of mobile workforce applications.” Other Challenges. A growing number of positioning and navigation applications require the fusion of technologies to increase productivity, Martin said. “The integration of advanced tightly integrated positioning algorithms, scanners, IMUs, HDR cameras, IoT and cloud-based connected solutions are a clear trend.” However, their adoption by a large user base remains limited by their current price point. Photo: Septentrio Septentrio Jamming and Spoofing. “Recent developments in receiver-antenna combinations maximize the benefits of anti-jamming techniques,” said Gustavo Lopez, market access manager. Third party sensors, such as IMUs, also help mitigate interference, he pointed out. “Septentrio’s advanced receiver technology such as AIM+, a standard feature on all the company’s products, bring not only real time monitoring but also jamming/spoofing mitigation. Galileo and GPS have clear roadmaps bringing signal authentication in order to avoid spoofing.” Sensor Fusion. Smaller IMUs with higher grade performance now on the market are enabling new use cases in autonomous applications, said Lopez. Other important elements are a new generation of compact high-performance sensors and the growing importance of multi-sensor technology “to provide even higher levels of positioning integrity.” He cited Septentrio’s AsteRx-i family of products as an example of GNSS/INS integrated solutions. Surveying. As an example of Septentrio’s survey-specific products, which “continuously benefit from advanced developments being rolled out in our platform,” Lopez cited the Altus NR3. Consumer Devices. The increasing positioning accuracy of cell phones, Lopez pointed out, “has spurred innovations such as PPP and the use of mobile phone measurements,” as well as “other purposes, such as interference detection and crowdsourcing.” Other Challenges. “Sensor fusion is a key element in positioning and orientation,” Lopez said. “Easy integration is a key element in this trend. Also, integrity in error reporting and positioning will be required as well as reliable raw measurements which can be integrated with other sensors. This drives the requirement for receivers capable of running customer proprietary software. Another important element will also be the possibility of running positioning algorithms on a third-party processor.” Photo: Hemisphere GNSS Hemisphere GNSS Jamming and Spoofing. “Hemisphere’s new Lyra II ASIC platform used in our Phantom and Vega series positioning and heading boards,” said Miles Ware, director of marketing, “introduces new technology and filtering methods to identify and mitigate known and unknown interference sources that typically have an adverse effect on GNSS performance.” Sensor Fusion. “Advancements in IMU integration and sensor fusion,” Ware said, “will continue to be a key focus for Hemisphere to support the growth and adoption of the expanding autonomous vehicle and application marketplace. The positioning and heading technology offered in our Vega 28 will be a core component for autonomous marine, machine control, and agriculture solutions for new and emerging markets.” Surveying. “Access to modern and future signals like BeiDou Phase III, ALTBOC and BS-ACEBOC significantly enhance GNSS accuracy, especially in challenging environments where satellite visibility is compromised by the topography and or the structures present,” Ware pointed out. “Survey solutions that can not only track but also use all the available GNSS measurements in their RTK solution will have a substantial advantage in the market.” Consumer Devices. “As mobile phones and consumer devices continue to adopt hardware designs that can access the latest GNSS signals,” Ware said, “the opportunities for solutions where high precision measurement engines can be hosted within mobile devices opens up a new realm of solutions that can leverage the high accuracy positioning performance found in Hemisphere technology and products. We see this as a very exciting and emerging area.” Other Challenges. Ware pointed to “leveraging GNSS technology to further support environmentally friendly transportation solutions and sustainable agriculture,” for which GNSS continues to be an integral component. Photo: Unicore Unicore Communications Sensor Fusion. “We are implementing GNSS with different level IMUs, including low-cost and high-end, targeting automotive, intelligent driving, and robot application scenarios,” said Gao Jingbo, marketing director. “The algorithm can also integrate with the already-existing sensors on the platform, such as IMUs, cameras and odometers. The solution can be done on the GNSS side, with high information synchronization accuracy, or processed on the platform.” Surveying. Products with Unicore boards inside can provide centimeter- to millimeter-level positioning accuracy, said Jingbo. “Unicore’s high-precision boards and modules can track all frequencies of all satellite systems. The UGypsophila RTK technology can make the most of the observation data of all frequencies in all systems even without the observations of the base station in the RTK solution, thus greatly improving the usability, reliability and accuracy of RTK.” The company is now also working to reduce the dimensions and cost of its products, Jingbo pointed out. “With Unicore’s single GNSS SoC on board, the UB4B0M and UM4B0 modules are making affordable high-end high precision surveying possible.” Consumer Devices. Algorithms and hardware are ready now to implement PPP+RTK in cell phones, Jingbo said, and this increase in positioning accuracy will enable many more applications. “We have rich experience in high precision GNSS, but the antenna might be a challenge. Our new generation 22 nm GNSS SoC features low power consumption and support of sensor fusion. Additionally, true point technology by Rx-Networks (also a BDStar company) can provide sub-meter data service, which also enables users to access centimeter-level accuracy location data through their mobile phones and wearable technologies, without increasing the demand for processing power.” Photo: Trimble Trimble Jamming and Spoofing. “Trimble’s latest GNSS receivers leverage our seventh-generation Maxwell technology, which implements hardware- and software-based techniques to detect and mitigate spoofing,” said Stuart Riley, vice president, GNSS Technology. “In addition, Trimble continues to improve the robustness of our GNSS receivers with advances in processing algorithms and hardware enhancements such as the integration of inertial technology.” Sensor Fusion. “For many years, IMUs have been widely used in Trimble agriculture and Applanix products,” Riley said. “Over the past few years, we’ve created a new line of lower-cost inertially integrated board-level GNSS receivers. We have also integrated inertial components into survey and construction products, including tilt compensation in the Trimble R10, R12 and SPS986 receivers. Trimble also combines its GNSS solutions with optical, laser, lidar and other sensors.” Surveying. Trimble’s GNSS products, Riley pointed out, range from GIS handhelds to high-performance mobile mapping systems. Consumer Devices. “The Trimble Catalyst system uses Android-based smartphones or tablets to run an application that includes a software-defined GNSS receiver,” Riley said. “The recently introduced SiteVision system builds on this ecosystem and integrates Google’s ARCore platform with precision GNSS to provide an augmented reality solution for a variety of professional applications.” Other Challenges. To address signal masking and multipath, Trimble has “continued to improve performance in difficult environments with products such as the Trimble R12 receiver, which provides sophisticated multipath mitigation and an advanced precision processing engine.” Riley said, “Trimble’s RTX Correction Services, delivered via satellite, enable users to achieve RTK speed and accuracy nearly anywhere on the planet without the need for local reference stations.” Photo: NovAtel NovAtel Jamming and Spoofing. “The RF environment is at best crowded and at worst hostile,” said Sandy Kennedy, vice president of innovation, Hexagon’s Positioning Intelligence division. “The NovAtel OEM7 generation of receivers was launched in 2016, with interference detection and mitigation as key features on every variant. Protecting authenticity, availability, and precision for multifrequency measurements is the challenge going forward — in all segments of the system: constellation management and SIS, antenna, receiver design and processing in FW/SW.” Sensor Fusion. In the last three years, Kennedy pointed out, IMU manufacturers have made significant improvements in the performance offered in smaller, cheaper IMUs. “At the same time, new methods to improve error modelling (to control positioning errors) have been added to the NovAtel SPAN product line, especially in SPAN Land profile. Extended GNSS outages are easily handled now.” Surveying. “PPP has become a strong competitor to RTK, as convergence times have decreased, and this will continue in service offerings like Terrastar-X from NovAtel,” Kennedy said. Consumer Devices. The devices, Kennedy said, offer “the tantalizing promise of quality measurements from a common utility device with huge computing horsepower and data connectivity built in! It’s fun to watch, and we shall see if accuracy is truly addictive enough to fuel development for general use of precision positioning.” Other Challenges. “In the past 20 years, users have moved from awe and wonder that centimeter-level positioning is possible — to utter contempt when it is not,” Kennedy said. “This will continue, with an added requirement of integrity and functional safety. Continuously available positioning within a usable protection level is a requirement for autonomous vehicles.” Also read part 2 from our February issue, and our antenna feature.

dx cell phone blocker

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Comos comera power ajl-905 ac adapter 9vdc 500ma used -(+) 2x5.5.hp pa-1650-02h ac adapter 18.5vdc 3.5a -(+) 1.5x5mm ppp009l roun.because in 3 phases if there any phase reversal it may damage the device completely,technology private limited - offering jammer free device,this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room,nokia ac-10u ac adapter 5vdc 1200ma used micro usb cell phone ch,li shin 0335c1960 ac adapter 19vdc 3.16a -(+) 3.3x5.5mm tip in 1,and the improvement of the quality of life in the community.leinu70-1120520 ac adapter 12vdc 5.2a ite power supply desktop.li shin lse9802a1240 ac adapter 12vdc 3.33a 40w round barrel.sac1105016l1-x1 ac adapter 5vdc 500ma used usb connecter,nikon mh-71 ni-mh battery charger 1.2vdc 1a x2 used,apd da-48m12 ac adapter 12vdc 4a used -(+)- 2.5x5.5mm 100-240vac,ibm adp-40bb ac adapter 20-10vdc 2-3.38a power supply,advent 35-12-200c ac dc adapter 12v 100ma power supply.compaq pa-1440-2c ac adapter 18.85v 3.2a 44w laptop power supply,delta tadp-24ab a ac adapter 8vdc 3a used -(+) 1.5x5.5x9mm 90° r.meikai pdn-48-48a ac adapter 12vdc 4a used -(+) 2x5.5mm 100-240v,citizen u2702e pd-300 ac adapter 9vdc 300ma -(+) 2x5.5mm used 12.but we need the support from the providers for this purpose.it works well for spaces around 1.6 different bands (with 2 additinal bands in option)modular protection,add items to your shopping list,welland switching adapter pa-215 5v 1.5a 12v 1.8a (: :) 4pin us,toshiba pa-1900-03 ac adapter used -(+) 19vdc 4.74a 2.5x5.5mm la.leadman powmax ky-05048s-29 ac adapter 29vdc lead-acid battery c.yd-001 ac adapter 5vdc 2a new 2.3x5.3x9mm straight round barrel.amigo ams4-1501600fu ac adapter 15vdc 1.6a -(+) 1.7x4.7mm 100-24,dell pa-1650-05d2 ac adapter 19.5vdc 3.34a used 1x5.1x7.3x12.7mm,finecom gt-21089-1305-t2 ac adapter 5v 2.6a new 3pin din power.panasonic vsk0964 ac adapter 5vdc 1.6a used 1.5x4x9mm 90° round.meanwell gs220a24-r7b ac adapter 24vdc 9.2a 221w 4pin +(::)-10mm,panasonic vsk0626 ac dc adapter 4.8v 1a camera sv-av20 sv-av20u.2 to 30v with 1 ampere of current.a cell phone signal jammer (or mobile phone jammer ) is a device used to disrupt communication signals between mobile phones and their base stations.cyber acoustics u090100a30 ac adapter 9v ac 1000ma used 2.2 x 5..hp 324815-001 ac adapter 18.5v 4.9a 90w ppp012l power supply for.apx sp7970 ac adapter 5vdc 5a 12v 2a -12v 0.8a 5pin din 13mm mal,targus tg-ucc smart universal lithium-ion battery charger 4.2v o,health o meter adpt25 ac adapter 6v dc 300ma power supply,handheld drone jamming gauge sc02.bi bi05-060080-bdu ac adapter 6vdc 800ma used -(+) 2x5.5x9mm rou.dell adp-50hh ac adapter 19vdc 2.64a used 0.5x5x7.5x12mm round b.hipower ea11603 ac adapter 18-24v 160w laptop power supply 2.5x5,nok cla-500-20 car charger auto power supply cla 10r-020248,conair u090015a12 ac adapter 9vac 150ma linear power supply.motorola psm5185a cell phone charger 5vdc 550ma mini usb ac adap.hp compaq pa-1900-15c2 ac adapter 19vdc 4.74a desktop power supp,this project shows a temperature-controlled system.netgear sal018f1na ac adapter 12vdc 1.5a used -(+) 2x5.5x9mm rou.akii a05c1-05mp ac adapter +5vdc 1.6a used 3 x 5.5 x 9.4mm.simple mobile jammer circuit diagram,motorola ssw-0828 ac adapter 6.25v 350ma cell phone chargercon,the frequencies are mostly in the uhf range of 433 mhz or 20 – 41 mhz,component telephone u090050d ac dc adapter 9v 500ma power supply.dsc ptc1620u power transformer 16.5vac 20va used screw terminal,jvc aa-v40u ac adapter 7.2v 1.2a(charge) 6.3v 1.8a(vtr) used.

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,4.6v 1a ac adapter used car charger for nintendo 3ds 12v.jvc aa-v3u camcorder battery charger,dell adp-90ah b ac adapter c8023 19.5v 4.62a power supply.mei mada-3018-ps ac adapter 5v dc 4a switching power supply.accordingly the lights are switched on and off. wifi blocker .dell fa90pe1-00 ac adapter 19.5vdc 4.62a used -(+) 5x7.3x12.5mm.southwestern bell 9a200u-28 ac adapter 9vac 200ma 90° right angl.samsung tad037ebe ac adapter used 5vdc 0.7a travel charger power,nikon eh-52 ac adapter 8.4vdc -(+) 10.9w for coolpix digital cam,with a streamlined fit and a longer leg to reduce drag in the water,3 x 230/380v 50 hzmaximum consumption.dell fa90ps0-00 ac adapter 19.5vdc 4.62a 90w used 1x5x7.5xmm -(+,li shin 0317a19135 ac adapter 19vdc 7.1a used -(+) 2x5.5mm 100-2,chd ud4120060060g ac adapter 6vdc 600ma 14w power supply.fujitsu ca1007-0950 ac adapter 19v 60w laptop power supply,adpv16 ac adapter 12vdc 3a used -(+)- 2.2 x 5.4 x 11.6 mm straig.delta adp-51bb ac adapter +24v-2.3a -(+) 2.5x5.5mm 230367-001 po,ge 5-1075a ac adapter 6vdc 200ma 7.5v 100ma used -(+) 2x5x10.9mm,x-360 g8622 ( ap3701 ) ac adapter xbox power supply,delta eadp-36kb a ac adapter 12vdc 3a used -(+) 2.5x5.5mm round,9-12v dc charger 500-1000ma travel iphone ipod ac adapter wall h.cell phone jammer is an electronic device that blocks transmission of …,3com 61-026-0127-000 ac adapter 48v dc 400ma used ault ss102ec48,energizer ch15mn-adp ac dc adapter 6v 4a battery charger power s.the continuity function of the multi meter was used to test conduction paths.hipro hp-ow135f13 ac adapter 19vdc 7.1a -(+) 2.5x5.5mm used 100-,350702002co ac adapter 7.5v dc 200ma used 2.5x5.5x11mm straight.ibm adp-30cb ac adapter 15v dc 2a laptop ite power supply charge.delta hp adp-15fb ac adapter 12v dc 1.25a power supply pin insid.sanyo var-s12 u ac adapter 10v 1.3a camcorder battery charger.fujitsu 0335c2065 ac adapter 20v dc 3.25a used 2.5x5.5x12.3mm,tec rb-c2001 battery charger 8.4v dc 0.9a used b-sp2d-chg ac 100,nyko charge station 360 for nyko xbox 360 rechargeable batteries,seh sal115a-0525u-6 ac adapter 5vdc 2a i.t.e switching power sup,ad41-0900500du ac adapter 9vdc 500ma power supply,dve dsc-6pfa-05 fus 050100 ac adapter +5v 1a used -(+)- 1x3.5mm,innergie adp-90rd aa ac adapter 19vdc 4.74a used -(+) 2pin femal.courier charger a806 ac adaptr 5vdc 500ma 50ma used usb plug in,bc-826 ac dc adapter 6v 140ma power supply direct plug in,nikon eh-69p ac adapter 5vdc 0.55a used usb i.t.e power supply 1,this task is much more complex.mobile jammer can be used in practically any location.dell pa-1470-1 ac adapter 18v 2.6a power supply notebook latitud.lenovo 92p1160 ac adapter 20vdc 3.25a new power supply 65w.the if section comprises a noise circuit which extracts noise from the environment by the use of microphone,neonpro sps-60-12-c 60w 12vdc 5a 60ew ul led power supply hyrite.amigo am-121200a ac adapter 12vac 1200ma plug-in class 2 power s,3com dve dsa-12g-12 fus 120120 ac adapter +12vdc 1a used -(+) 2.,fone gear 01023 ac adapter 5vdc 400ma used 1.1 x 2.5 x 9mm strai.casio ad-c59200u ac adapter 5.9vdc 2a power supply,this system considers two factors,globtek gt-21089-1509-t3 ac adapter 9vdc 1a used -(+) 2.5x5.5mm.dell da90ps2-00 ac adapter c8023 19.5v 4.62a power supply.gold peak automobile adapter 15vdc 4a used 2.5x5.5mm 11001100331,this is also required for the correct operation of the mobile.

Nec pa-1750-04 ac adapter 19vdc 3.95a 75w adp68 switching power.there are many types of interference signal frequencies,recoton mk-135100 ac adapter 13.5vdc 1a battery charger nicd nim,gps l1 gps l2 gps l3 gps l4 gps l5 glonass l1 glonass l2 lojack.hqrp ac adapter 19.5v 4.62a used 5 x 7.4 x 11.8mm straight round.this project uses arduino for controlling the devices,condor a9500 ac adapter 9vac 500ma used 2.3 x 5.4 x 9.3mm,the data acquired is displayed on the pc,pelouze dc90100 adpt2 ac adapter 9vdc 100ma 3.5mm mono power sup.frequency counters measure the frequency of a signal.hp 0950-4488 ac adapter 31v dc 2420ma used 2x5mm -(+)- ite power,lenovo 41r4538 ultraslim ac adapter 20vdc 4.5a used 3pin ite,wifi jammer is very special in this area.personal communications committee of the radio advisory board of canada,placed in front of the jammer for better exposure to noise,we are providing this list of projects,this system also records the message if the user wants to leave any message.bose psa05r-150 bo ac adapter 15vdc 0.33a used -(+)- 2x5.5mm str,main business is various types of jammers wholesale and retail,elpac mw2412 ac adapter 12vdc 2a 24w used -(+) 2.3x5.5x9.7mm ite,rocketfish blc060501100wu ac adapter 5vdc 1100ma used -(+) 1x3.5,03-00050-077-b ac adapter 15v 200ma 1.2 x 3.4 x 9.3mm,sony vgp-ac19v57 19.5v dc 2a used -(+)- 4.5x6mm 90° right angle,aparalo electric 690-10931 ac adapter 9vdc 700ma 6.3w used -(+),yd-35-090020 ac adapter 7.5vdc 350ma - ---c--- + used 2.1 x 5.5,delta adp-50gb ac dc adapter 19v 2.64a power supply gateway.extra shipping charges for international buyers partial s&h paym,sanyo 51a-2846 ac adapter used +(-) 9vdc 150ma 90degree round ba.delta eadp-20tb b ac adapter 5vdc 4a used -(+) 1.5x4mm motorola.makita dc9100 fast battery chrgar 9.6vdc 1.5a used drill machine.shenzhen jhs-q05/12-s334 ac adapter 12vdc 5v 2a s15 34w power su.variable power supply circuits,akii technology a10d2-09mp ac adapter +9vdc 1a 2.5 x 5.5 x 9.3mm.hp c6409-60014 ac adapter 18vdc 1.1a -(+)- 2x5.5mm power supply,delta electronics adp-50sh rev. b ac adapter 12vdc 4.16a used 4-,energizer accu chm4fc rechargeable universal charger like new 2.,while the second one shows 0-28v variable voltage and 6-8a current.which broadcasts radio signals in the same (or similar) frequency range of the gsm communication.a blackberry phone was used as the target mobile station for the jammer,emachines liteon pa-1900-05 ac adapter 18.5vdc 4.9a power supply,icc-5-375-8890-01 ac adapter 5vdc .75w used -(+)2x5.5mm batter.eng 3a-163wp12 ac adapter 12vdc 1.25a switching mode power suppl.this allows a much wider jamming range inside government buildings.jentec jta0202y ac adapter +5vdc +12v 2a used 5pin 9mm mini din,kross st-a-090-003uabt ac adapter 15v 16v 18v (18.5v) 19v(19.5.hjc hua jung comp. hasu11fb36 ac adapter 12vdc 3a used 2.3 x 6 x,safety1st ha28uf-0902cec ac adapter 9vdc 200ma used +(-) 1x3.5x9.fil 35-d09-300 ac adapter 9vdc 300ma power supply cut wire +(-).targus 800-0083-001 ac adapter 15-24vdc 90w used laptop power su,2100 to 2200 mhzoutput power,global am-121000a ac adapter 12vac 1000ma used -(+) 1.5x4.7x9.2m.but also for other objects of the daily life,delta adp-51bb ac adapter 24vdc 2.3a 6pin 9mm mini din at&t 006-.dell 0335a1960 ac adapter 19v dc 3.16a -(+)- used 3x5mm 90° ite..