Products/Services for 433 MHz Antenna Reflectors

  • Reflectors-Image
    Reflectors - (57 companies)
    Parabolic reflectors and ellipsoidal reflectors are used to maximize illumination or projection system output by increasing light source efficiency. These devices resemble small satellite dishes in their parabolic geometry, with a small hole either...
    Reflector Shape
    Mirror Assembly
  • Antennas-Image
    Antennas - (1281 companies)
    ...periodic antennas are often utilized in broadband applications. Parabolic reflectors, or dish antennas, consist of reflector backed arrays. An active element in the focal point of the array radiates or receives signals that bounce off the reflector...
  • Chip Antennas-Image
    Chip Antennas - (111 companies)
    Chip antennas are semiconductor ICs used to collect or radiate electromagnetic waves. Chip antennas are a particular type of antenna valued for their small footprint. They are most commonly integrated in circuit boards to radiate high frequency...
  • Horn Antennas-Image
    Horn Antennas - (73 companies)
    ...will not function efficiently. Horn antennas are commonly used as the active element in a dish antenna. The horn is pointed toward the center of the dish reflector. The use of a horn, rather than a dipole antenna or any other type of antenna...
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    Antenna Design Software - (13 companies)
    Antenna design software is used for the design and electromagnetic analysis of all types of antenna systems, including planar and microstrip antennas, hollow waveguide and horn antennas, and helical antennas. Antenna design software is used...
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    Antenna Mounts - (25 companies)
    Antenna mounts are used to hold and support antennas of all sizes and shapes. The antenna collects the electromagnetic signal and sends it to the receiver. There are many types of antennas and mounts including for radio, television, global...
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    Radomes - (25 companies)
    Radomes are weatherproof enclosures to protect an antenna from the elements. Radomes are more typically used on satellite or microwave antennas, but can be used with any antenna. Radomes are structures or enclosures designed to protect an antenna...
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    Wireless Systems - (265 companies)
    Wireless systems consist of combined RF components such as transmitters, receivers, transceivers, filters, down / up converters, antennas and antenna positioners. Wireless systems consist of combined RF components such as transmitters, receivers...
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    Towers, Masts, and Poles - (273 companies)
    Towers, masts and poles elevate, support and/or position personnel and equipment such as antennas, lighting, surveillance cameras or sensors, wind turbines, weather instruments, and power lines. Towers, masts, and poles are used to provide elevation...
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    Searchlights - (14 companies)
    Searchlights or spotlights are powerful light sources that use a parabolic reflector to project a beam of light in order to identify aircraft or draw attention to an area. Searchlights or spotlights are powerful light sources that use a parabolic...

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  • 2012 Index IEEE Antennas and Wireless Propagation Letters Vol. 11
    ISM 433 - MHz Miniaturized Antenna Using the Shielding Box of Mobile Terminals; LAWP 2012 330-333 Liu, W., see Hawes, M. B., LAWP 2012 1303-1306 Liu, W.-C., see Wu, C.-M., LAWP 2012 596-599 Liu, X., Gao, W., and … Synthesis Technique of Array-Fed Shaped- Reflector Antenna for DBF-SAR Application; LAWP 2012 30-33 Liu …
  • http://absimage.aps.org/image/DPP13/MWS_DPP13-2013-000859.pdf
    In terms of working properties, high impedance surfaces are electrically thin in-phase reflectors , i.e. they present a high impedance, within a given frequency … … the image currents are in-phase with the currents of the antenna itself, thus determining a … This work documents the design by means of numerical codes of an antenna including high impedance surfaces to be tested on the FTU IBW port and fed by the FTU IBW generators at 433 MHz .
  • Effects of Antenna Position on Readability of RFID Tags in a Refrigerated Sea Container of Frozen Bread at 433 and 915 MHz
    In addition, sea container walls are made out of metal, which operate as reflectors (Keskilammi et al … The effect of antenna position and frequency on RF wave propagation inside an empty sea container was previously studied by Laniel et … … better readability with the antenna positioned in front of the container, as well as significantly stronger signal at 433 MHz .
  • Optimization of metamaterial based subwavelength cavities for ultracompact directive antennas
    … of micros- trip Hilbert-curve [2] inclusions as an artificial magnetic conductor (AMC) reflector for a half … In particular, numerical results showed a significant increase of antenna gain and improved impedance matching. However, the thickness of the whole antenna was about 0.14 ␭, which at the operating frequencies of SRDs ( 433 and 868 MHz ) results to be undesirably bulky for practical applications (90 and 45 mm, re- spectively).
  • Review on SAW RFID tags
    For the European 433 - Mhz IsM band, saW rFId tags were designed which lowered the chip size by applying a multi-strip coupler for track changing [13], [14] (see Fig. 15). … sPUdT as IdT (la- beled 2), a track changing element (labeled 4), and coding reflectors (labeled 3). … the saW is labeled 5. contact was made by an inductive coupling (labeled 6) to the antenna .
  • Quasi-loop antenna for SAW RFID device
    Antenna polarization is parallel to the substrate and it has omnidirectional radiation pattern with gain of about -15 dBd at 433 MHz (Fig. 5). The three reflectors were manufactured by selective etching of output transducer.
  • New low profile cavity‐backed Hilbert slot antenna
    … of micros- trip Hilbert-curve [2] inclusions as an artificial magnetic conductor (AMC) reflector for a half … In particular, numerical results showed a significant increase of antenna gain and improved impedance matching. However, the thickness of the whole antenna was about 0.14 ␭, which at the operating frequencies of SRDs ( 433 and 868 MHz ) results to be undesirably bulky for practical applications (90 and 45 mm, re- spectively).
  • A review of wireless SAW sensors
    Applying TDMA with 2-bit DLs and pairs of re- flectors interleaved in time over 14 possible time slots, up to 7 SAW sensors can be requested simultaneously. The system operates in the 433 - MHz ISM band; the distance range is approximately 3 m, the unidirectional propagation attenuation was assumed to obey a d2 law, and no margin for fading was considered. The antennas employed are elec- trically shortened dipoles with a total gain (including mis- adjustment) of approximately …
  • A passive wireless hydrogen surface acoustic wave sensor based on Pt-coated ZnO nanorods
    The middle IDT is to convert the electrical signal from an antenna into a SAW via the reverse piezoelectric effect, and the others act as reflectors . The central frequency of the SAW tag is 433 MHz .
  • Anik F and G series
    One west and one east reflector , each 2.4 m, for North American Ku-band and C … … × 3.4 m; deployed size 40.4 m across solar arrays and 9 m across antennas . One 433 N liquid propellant apogee motor, 10 × 43.3 - 26 N × IPS station-keeping … Payload: 36 (8 redundant) C-band transponders, 36 MHz , 40 W TWTA for North and South America …


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