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Everything posted by Admin
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...yes, but I don't really trust the gain of the antenna..!!!
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Dedewe,how would that be...
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,,,okay, I will try...for the frequency of 1800 MHz...??/
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,,, for the impedance of 75 Ohm, the distance of 7 mm must be modified...!!!
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I don't really think so, it has to be checked...!!!
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If your model is symmetric, you may define this symmetry planes here. For particle tracking calculations the symmetry option can only be applied if no space charge and particle current is monitored. Therefore symmetry conditions cannot be applied for gun-iteration calculations. Important: It is necessary to create the entire structure first.Every symmetry plane you find reduces the calculation time by a factor of 2, so it is always recommended to specify symmetries, if any exist. The type of the symmetry can be either electric or magnetic. If you specify a symmetry plane, the calculation domain is cut in half. The picture on the right shows a calculation domain symmetric to the YZ plane. The symmetry type is electric. The calculation domain is cut in half twice more if a symmetry type for the XZ and XY can be found.
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,,, with other caps, this can also be done... 2.3-2.7 GHz frequency band (UWB)
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Coffee Amigo Cap as Panel Antenna What can be done with 4 COVERS instant coffee...!!!
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,,or a Batwing antenna.... ....with a parasitic circular director....!!!!
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4G 3g 2G LTE WCDMA GSM 800 900 1800 2100 2600 mhz Antenna GSM ceiling antenna for repeater or amplifier of mobile signal The Gain Is 5 DB. Coverage is not much more than that of a small pin antenna from the repeater kit (more than 1.5 times). 1-2 rooms. 5 DB. Plus (i.e. minus) the normalized signal loss at the N cable connection (if the antenna socket is connected by an extension cable).
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The antenna features a dipole in lambda, bent with open ends, disposed on a grille reflector
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,,,,this fractal antenna might be an older idea for AUREL...??? https://www.edaboard.com/showthread.php?275408-Fractal-Quad-2-4-Ghz&highlight=fractal+antenna
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,,,a simple notched lid can be placed in the bucket... ,,,or so with the bottom of the bucket...
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,,,it is still possible...!!! slot patch.cst
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,,, it is possible, but a medium (center) frequency must be chosen...!!!
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,,,and now I present to you the construction details....!!!
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,,,thanks...!!! ,,, soon I will give the dimensions ... !!!
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I managed to optimize the Batwing antenna by using an elliptical curve, which led to a uniformity of broadband...
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2x2 MIMO directional antenna for the LTE1800 (B3) band. F=1700-1880 MHz. CU=15dBi. F-female connectors (75 ohms). It is recommended for use at a distance of up to 10 km from the operator's BS. Electrical characteristics Operating frequency range, MHz 1710-1880 Gain, dBi 15 Bottom width in the N/E plane, deg 35-37/33-35 Forward / backward ratio, dB at least 12 Decoupling between antenna inputs, dB>27 Input impedance, Ohms 75 SWR in the operating frequency range, max. 1,7 Permissible power, W 10 Polarisation vertical+horizontal Mechanical characteristics Weight with mounting, g 720 Mast diameter, mm 30÷52 Overall dimensions, m 0.630x0. 12x0. 12 Permissible wind speed, m / sec 35 Connector 2 x F-female Number of elements 13 Mounting and antenna material galvanized steel Protective coating powdered polymer paint Material of the protective box ABS
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20x31,8 mm:5 mm,,,,it is clearly seen in the drawing above...!!!!
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,,, so be it ... ??!!
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A compact aperture-coupled patch antenna designed for achieving wide-band vertical-polarized radiation suitable for applications in GSM 1800-MHz systems is presented. The proposed antenna consists of a rectangular patch (for 1700-1850MHz operation) and a director rectangular patch . For simplicity, these antenna elements are glued to polystyrene foam spacers
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This yagi style printed circuit board antenna gives great performance from 2400 to 2450 MHz. This range is commonly used for wireless systems 802.11b/g, RFID systems, satellite dish antennas, dish feeds, and beacons. This can also be easily applied to other hobbyist applications in this range.
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Mobile Communication Generation 3G, 4G Dimensions, mm 450x250x60 Cable type RG58, RG8 Input impedance, Ohms 50 Radiation Omnidirectional action Connector type F male Type of polarization Horizontal, Vertical, and X-polarization Class Panel version Effective distance to BS, km 15 Frequency support, MHZ 800, 900, 1800, 1900, 2100, 2600, 2700, 1700 Standard support 3G, 4G Operator Support Kyivstar, Lifecell, Vodafone, Intertelecom, Peoplenet, Trimob Gain factor, dB 17 Manufacturer R-Net Device Type Antenna usb-modem.com.ua
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,,, Harry36,dimensions or CST simulation...!!!