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Admin

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Everything posted by Admin

  1. This antenna is not good enough... 3.52ghz.cst
  2. I'll try...!!!!
  3. ,,,something like that... ,,,for a panel with more than two antennas a different configuration is required...!!!!
  4. A combination of rectangular loop array and slot radiator for multiband applications is presented. The antenna is configured by arranging, concentrically, a set of rectangular loop radiators excited by electromagnetic coupling provided by a dumbbell slot. overall dimensions=91.5x119.5x22.5 mm
  5. It's interesting to see how you worked with deepseek...????
  6. This project is dedicated to Doyt R. Hoverman (b.1913), the man who created and did the early work on the Hoverman antenna at a time when antenna modeling programs did not exist. His work would have been entirely created and improved by field testing, trial and error, and with a great amount of calculation without the benefit of electronic devices. Without his efforts, our work would not have been. Doyt Hoverman passed away in December, 1989 at Van Wert, Ohio, USA. Technical data Simulation With insulating spacers
  7. Backfire Antenna is a very small antenna with extremely good gain. With a half power beamwidth of 32 degrees, the backfire is a highly directional 2.4 GHz antenna to put the signal exactly where you want it. The backfire is convenient because of its small size. The 17 dB of gain is incredible for an antenna this size. Installation is very simple with the included mounting bracket. The backfire is weather-proof because of it's ABS radome, which covers the radiating element. If you have limited space but still need a high gain antenna, the Backfire is the perfect antenna for you WiFi installation. For full specifications, please see datasheet below.
  8. ,,,it's possible like that...let's see...!!!
  9. A method to improve the gain of axial-mode helical antenna is proposed. This method involves a parasitical circular metal disk,which is installed on the front of general axial-mode helical antenna and is apart from the helical line. A circular current whose phase lags behind that of helical line current appears,which brings a more concentrated radiation field. Consequently,the antenna gain is improved, Based on the simulation results,an antenna array model fed independently is proposed.This model gives an excellent explanation of the radiation characteristic of helical antenna, Both the simulation and experiment results show that for obtaining the same gain,the antenna length in this new method is only 71% of that in traditional helical antenna.The reduction of antenna length favors the miniaturisation of antenna. In addition, this method has a little effect on the bandwidth of antenna, so it can be widely used in the design of helical antenna element and array.
  10. IT SEEMS TO BE AN ANTENNA FOR DRONE DETECTION
  11. Thus, all of these programs can be used, the accuracy of determining the coordinates of BS(Base Station) is determined by the database used by the application. The best accuracy for particular location showed the app NetworkCellInfo. In your case it could be another application. It is necessary to try everything. https://antex-e.ru/poleznye_materialy/18652/page/1/#_Сравнение приложений и заключительные выводы
  12. Chipset Atheros AR9271 The interesting device is "full N 300 Mbps" how it is full I Hate, 2R2T . But the fact that he uses on the reception of both antennas it is a fact, try to put on the first antenna panel 18Dbi result is worse than with two pins. Very good sensitivity , compared with a whistle at the base of Ralink - no worse. Fully compatible with Commview. In BackTrack5 and WifiSlax driver are - app. From slightly altered device: standard broke off the antenna ,put the connectors and soldered the cable to the antennas. TP-link WN822N TP-link WN822ND TP-link WN822N
  13. Model #OLX19M-097130-A Frequency (MHz)5150-5825 Antenna 2 Peak Gain (dBi)13.81 VSWR2.0 : 12.0 : 1 Power (Watts) 55 Impedance (Ohms) 50 HPBW (Azimuth)30°28° HPBW (Elevation)28°34° Dimension (mm)129.5 x 120 x 5.3 Polarization Linear Connector IPEX Cable Length (mm) 160 (customized) 112 (customized) Operating Temp (C)-40~+85 Manufacturing 100% made in Taiwan
  14. Irradiator series BOF-2xxx is designed for use with standard metal, satellite parabolic offset mirror. The utilization of mirror surface is more than 0.7. The radiator is optimized for mirror with f/d=0.5÷0.7 and the angle of irradiation 75÷90 degrees. (The vast majority of satellite dishes on the market.) The plane of polarization of the antenna is changed by changing the position of the radiator to the mounting site. (Rotation, followed by fixing in position.) Polarization direction is indicated by an arrow (the arrow) on the casing of the irradiator. The direction of polarization of the radiator and antenna are the same, because after reflection from the reflector, the vector of linear polarization is not changed. With circular polarization, upon reflection from the mirror direction of rotation is reversed! ,,, this is a MiMo simulation irradiator, the antenna can be on different frequency range
  15. XW-24O-FP7, 7 dBi, 2.4 GHz Outdoor, Circular Polarized, Flat Panel Antenna, NF (includes outdoor mounting bracket) Antenna Physical Form Square Frequency Range 2.4 GHz Gain 7dBi Connector Gender Female Weight 127.6g Height 40.64 mm Width 107.95 mm
  16. The feed offset parabolic antenna KIP9-1700/2700DP MIMO 2x2 is designed for use with 3G/4G/WiFi modems and routers. The radiator supports standards LTE1800, UMTS2100, LTE2600 and WiFi(2.4 GHz) 802.11 b/g/PS 2x2 MIMO in the frequency range of 1700-2700 MHz. If you have a 4G modem, and Internet speed and signal strength are not satisfied, then the use of bundles 4G irradiator plate surely will boost the signal. Because of MIMO standard doubles the bandwidth of the channel. Amplification up to 35 dB. Antennas-characteristics : Operating frequency range, MHz 1700-2700 Antenna gain, dB 8-9 SWR in the operating frequency range, max. 1.5 Polarisation Linear Input impedance, Ohms 50 Maximum input power, W 10 Connector F- female N- female Permissible wind load, m / s 30 Operating temperature range, oC -40 … +50 Maximum permissible air humidity, % 100 Crosspolarization decoupling not less than, dB 30 Communication Standard WiFi 2400 LTE 2600 UMTS 2100 LTE 1800 Multi-band Mounting type on the pipe Execution type irradiator MIMO and inside...
  17. ,,,clanon,can you give more information about this antenna....????
  18. I don't think so, but you have to try it...!!!
  19. I think the antenna for this frequency will be a bit big.(270x750mm)
  20. We've shared tons of ways to boost your home Wi-Fi, but if you need something a bit more powerful, this DIY antenna can stretch your wireless network much further. Simply use this sardine cane box from which the cover is used for patch antenna... This box is ideal for the construction of antennas in the 5 GHz band and beyond...
  21. It would be good if the focal length(F/D) was also shown for each antenna grid...!!!
  22. yagi

    There are no differences, except that the feed must be performed differently, to ensure a good impedance match. One can even build rectangular plate Yagi-Uda"s, and make the elements slot antenna elements. Also, a different feed is required for that.