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Antennas and Antenna Couplers

COUPLE. TEST. REPEAT.


Couple to wireless devices using the dbCoupler and meet the requirements for efficient broadband test. dbCouplers are omni-directional wideband antennas, operating in the frequency range of 300MHz-8GHz. This is a key tool in characterizing various antennas within wireless devices.


Test with the dbCoupler for superior coupling performance to all wireless devices. The result is very low loss in coupling path while avoiding use of RF cables and connectors. The dbCouplers come in multiple configurations to test SISO and MIMO devices.


Repeat measurements with tenth of a dB coupling accuracy. The dbCoupler’s wideband characteristics encompass all frequency bands for wireless device testing. A combination of the dbCoupler and a Testforce DUT positioner eliminates error and maximizes efficiency.

 The “Internet of Things” is connecting our world like never before. Everyday items are being wirelessly connected to our computers and mobile devices, relaying information related to weather, news, health and safety, and more. Being able to test such devices from a system level has never been more crucial. Combine this with the fact that today’s mobile devices have multiple antennas, most of which are externally inaccessible, and difficult to test. Each antenna performs a specific function, unique to the device. The link between the Device Under Test (DUT) and the test equipment should be based on maximum reliability while minimizing path loss. The need to minimize this RF link budget is crucial in research and development, where critical decisions are made about vendor and component selection. The dbCoupler series is suitable for applications reaching frequencies up to 6 GHz, thereby covering all common wireless standards such as 5G/LTE, 802.11A/B/G/N/ AC, WiMAX™, ZigBee, Bluetooth®, GNSS, and RFID. Common Configuration: Correctly positioning a device is essential for accurate, reliable, and repeatable testing using an antenna coupler. All dbCouplers have a low profile, which allow the DUT to be maneuvered in 3 axis, achieving the highest performance. Increased repeatability can be achieved using a fixture to ensure the DUT is in the same spot each and every time. This makes the dbSafe or dbGuard RF enclosure the perfect complement to the dbCoupler.

Common Configuration


Correctly positioning a device is essential for accurate, reliable, and repeatable testing using an antenna coupler. All dbCouplers have a low profile, which allow the DUT to be maneuvered in 3 axis, achieving the highest performance. Increased repeatability can be achieved using a fixture to ensure the DUT is in the same spot each and every time. This makes the dbSafe or dbGuard RF enclosure the perfect complement to the dbCoupler.


The Antenna Coupler comes in many variations for every need. Below you can find an arrangement of Antenna Couplers you can choose from.

  1. dbDIRECT Broadband QRBH Antenna

    DVTEST dbDIRECT Broadband QRBH Antenna

     
    Lightweight Open Boundary Quad-Ridged Broadband Horn Antenna, 300 MHz - 6 GHz Learn More

      

  2. dbDIRECT Broadband OBDR Antenna

    DVTEST dbDIRECT Broadband OBDR Antenna

     
    Open Boundary Double Ridged Broadband Horn Antenna, 700 MHz - 18 GHz Learn More

      

  3. dbDIRECT Broadband DRH2 Antenna

    DVTEST dbDIRECT Broadband DRH2 Antenna

     
    DVTEST Double Ridge Broadband Waveguide Horn Antenna, 18 - 40 GHz Learn More

      

  4. dbDIRECT Broadband DRH1 Antenna

    DVTEST dbDIRECT Broadband DRH1 Antenna

     
    DVTEST Double Ridge Broadband Waveguide Horn Antenna, 2 - 18 GHz Learn More

      

  5. dbDIRECT Broadband Vivaldi Antenna

    DVTEST dbDIRECT Broadband Vivaldi Antenna

     
    The dbDIRECT Broadband Antenna features broad frequency range of operation, high gain, small form factor and directional radiation pattern, making it Learn More

      

  6. dbCOUPLER MINI

    DVTEST dbCOUPLER MINI

     
    Have an application where space may be an issue? The dbCOUPLER MINI provides comparable performance at 2/3 the size of the standard dbCOUPLER. Learn More

      

  7. dbCOUPLER

    DVTEST dbCOUPLER

     
    300 MHz - 6 GHz Rf antenna coupler. The dbCOUPLER is ideal for many different applications including security, GNSS, Bluetooth, WiMAX, Wi-Fi, 5G, LTE, Learn More

      

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