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Honeycomb Waveguide Air Vents Proven Honeycomb Technology Raymond RF Measurements Corp. specializes in the design, manufacture and testing of honeycomb waveguide air vents for our Anechoic Chambers which consist of a matching pair of welded brass frames sandwiching a 1” thick steel honeycomb matrix. The honeycomb matrix is made from specially formed steel strips fused together with a thin layer of solder to form a continuous electrical and mechanical bond throughout the matrix.

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Honeycomb Waveguide Vent
Key Features
  • Proven Honeycomb Technology
  • RF Shielding Compression Seal
  • Field Locatable
  • Standard and custom sizes
  • Available in 3/16" and 1/8" cell
  • Integrates easily with ductwork
  • Minimal air flow resistance and pressure drop
RF Shielding Compression Seal Raymond RF honeycomb waveguide air vents install directly to a ¾” R.F. Shielded Panel using a clamping action between the two matching brass frames. Special tri-lobular rolling/thread-forming TORX fasteners set on four inch centres or less of the framing system ensure an RF-tight seal while providing even compression down the entire length of each length of brass framing. No soldering or brazing is required to bond the brass frame to the RF Shielded Panel.
    Honeycomb Waveguide Vent
    Field Locatable The installation process of our honeycomb waveguide vents allows them to be easily installed in the field. This allows our Installation Specialists to install the vents based on actual site measurements taken once the shield has been fully erected ensuring perfect alignment with existing parent building ductwork. Unlike honeycomb vents that require soldering or brazing to create the bond between the vent and the shield, our vents can be field installed on vertical walls. Standard and Custom Sizes Raymond RF can supply custom manufacture honeycomb waveguide air vents to virtually any size. The honeycomb material can also be applied to large waveguide pipe penetrations to ensure proper RF Shielding Effectiveness when a waveguide becomes too wide to provide the required attenuation.

    Available in 3/16" and 1/8" Cell Raymond RF offers standard and custom honeycomb waveguide air vents with either 3/16” cell honeycomb or 1/8” cell honeycomb.

    Integrates easily with parent building ductwork The special brass extrusion frame comes complete with a 90° flange specially designed to accept incoming ductwork. Duct work must connect to an Anechoic Chamber using a dielectric canvas connector to create a non-conducting break between the duct and the shield to maintain the single point grounding imperative to the performance of an Anechoic Chamber. Raymond RF can supply any honeycomb air vent complete with a pre-formed canvas dielectric connector.

    Honeycomb Waveguide Vent
    Minimal air flow resistance and pressure drop Cell geometry allows the maximum amount of open space while uniformity and depth of the honeycomb tubes reduces air turbulence.
    RF Shielding Effectiveness 3/16" Cell:
    20dB at 1kHz rising to 55dB at 10kHz and 95dB at 200kHz 100dB from 1 MHz to 10GHz

    1/8" Cell:
    Same performance as the 3/16” cell vents with
    120dB performance up to 40GHz


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