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JRE ANT-245 SMA Dipole 2.4, 5-6 GHz Antenna

    JRE ANT-245 SMA Dipole 2.4, 5-6 GHz Antenna

    Manufacturer: JRE Test

    Price: $20.00


    • Description
    • Features

    2.4 and 5-6 GHz Dipole Antenna with Male SMA Connector

    • Ideal for testing dual band WiFi and Bluetooth wireless devices
    • Excellent VSWR at multiple frequencies
    • Handy swivel coupling allows easy antenna positioning
    • 1 watt power capability
    • Standard Male SMA connector, 50 ohms impedance
    • Dipole design incorporates sleeved feed to choke feedpoint radiation

    This handy dipole antenna allows easy radiation and reception at the 2.4 and the 5 - 6 GHz frequency ranges of dual band WiFi, Bluetooth, and other wireless devices. Using a standard male SMA connector, one can easily connect this antenna to a female SMA bulkhead connector on any of the JRE Test I/O plates. A swivel and tilt elbow allows you to position the antenna as required in your tests.

    Excellent VSWR (less than 1.5:1 across the WiFi bands) and it's half-wave sleeved dipole topology offers repeatable and reliable operation. Gain is approximately 2 dBi and characteristic impedance of the antenna is 50 ohms. The antenna is easily mounted with a single hole in the enclosure wall or I/O plate using a female SMA bulkhead connector hardware to attach.

    When the antenna is used within a test enclosure, it is operating in the ‘Near Field’ rather than out in free space. In the near field, the antenna’s E and H fields become distorted by nearby objects. These distortions will impact the E field or H field differently, depending upon the absorption or reflection characteristics of the object/environment. When the E and H fields are distorted like this, a proper electromagnetic wave front will not develop. If a proper wave front can develop (usually at a distance of 5 -10 wavelengths away) a radiation pattern of the antenna can be characterized. However, inside a typical JRE test enclosure at typical wireless device frequencies, there is simply not enough volume to have the antenna perform in the far field, thus the non characterization of the antennas radiation pattern. Of course, if the antenna is operated in a large area approaching 'free space' it will have the characteristic radiation pattern of an omnidirectional half-wave dipole.

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