RF/EMI Anechoic Tents/Enclosures

Customize your Portable RF/EMI Shielded Enclosure to include anechoic foam or absorber. Fully or semi-anechoic option are available.

These high-performing soft wall enclosures are designed to offer a high attenuation and radio frequency and electromagnetic interference absorbing option for your testing needs. Anechoic foam and absorber options are ideal for isolating devices for testing and are available at a fraction of the cost of fully manufactured solid-wall anechoic chambers while eliminating the need to engineer a new permanent location.

Call us at 585-393-0650 or get your project started by filling out the Enclosure Request below to start to build your custom RF/EMI Shielded Enclosure.



General Specifications

Select Fabricators’ anechoic chambers are engineered using Select Fabricators’ US made, RoHS compliant, conductive NOVA Select™ fabric and double (US No. 8,530,756) or single (US No. 9,029,714) patented door seal systems. Our fabric, combined with our patented door system and absorbing foam allow these RF/EMI shielded tents and chambers to deliver maximum isolation. (Double Layer Enclosure Shielding Effectiveness: -85 to -100 dB on average from 400 MHz to 18 GHz.)

  • All enclosures are made in the USA
  • Standard sizes are available – we can produce any custom size as well
  • All enclosures come with:
    • Standard size patented double magnet door size: 40” x 70”
    • Heavy duty tarp flooring to protect the conductive floor
    • Protective tent carry/storage bag
    • Frame style of your choice
    • Shielding Effectiveness Certificate
    • Complete assembly instructions
    • One-year limited warranty
External Frame Styles

Manufactured using Select Fabricators’ US made, RoHS compliant, conductive NOVA Select™ fabric and double (US No. 8,530,756) or single (US No. 9,029,714) patented door seal system in order to provide the highest shielding effectiveness for a RF / EMI shielded tent on the market. Double Wall construction of NOVA Select™ fabric will provide shielding effectiveness of -85 to over -100dB on average from 400 MHz to 18 GHz.

Select Fabricators has contracted independent laboratories to perform the IEEE® 299 standard test on a complete assembled system including installed components operating under typical conditions at various frequencies measured through the tent wall at multiple locations in the tent.

  • Series 100*: Portable easy-up steel frame (5-minute deployment)
  • Series 500: Semi-permanent round heavy-duty aluminum frame (15-30-minute deployment)
  • Series 300: Semi-permanent / permanent rectangular heavy-duty extruded aluminum frame (60-minute deployment)

*Only available for standard footprints listed below (L x W):

  • 4’ x 4’
  • 7’ x 7’
  • 9’ x 9’
  • 9’ x 14’
  • 9’ x 19’
Shielding Effectiveness

Below is the IEEE® 299 standard test of a walk-in tent performed by an independent laboratory.

Options and Connectors

The following options are available for any of our RF/EMI Shielded Enclosures:


  • Flame retardant/resistant liner
  • ESD liner to provide static control
  • Sound reduction/absorbing lining and sound masking systems
  • Exterior covers for outdoor deployment
  • Vestibule entrance
  • Zero-threshold door
  • Custom size door
  • Shielded Windows


  • Pelican storage cases
  • Shipping cases
  • Airline compatible travel cases
  • Frame cases


  • RF / microwave absorbing foam
  • I/O filter plates
  • EMI hardened lights
  • In-house or independent IEEE® 299 (1-18 gHz testing of completed enclosure)
  • Custom engineering/design of enclosure

I/O Plate Filtered Connectors:

  • AC Power
  • DC Power
  • 1G and 10G Ethernet
  • USB: 2.0, 3.0, and C-Speed
  • DB9
  • DB15
  • DB25
  • HDMI 1.4
  • SMA
  • BNC
  • N-Type
  • ST/ST
  • TNC
  • RJ11
  • Custom waveguides
Patent Information

Our closure system on all RF/EMI shielded enclosures and RF shielding Faraday tents is manufactured using NovaSelect™ silver/copper/nickel conductive fabric and utilizes our patented single door (US Pat. No. 9,029,714) or double door (US Pat. No. 8,530,756) seal system. The double magnet strip closure delivers maximum isolation.

See graph below for results of our Magnet Door system versus a Velcro system:


EMC Testing


Wireless Device Testing


Secure Communications