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Refurbished RF Shielded Rooms
Meets Buy Amaerican Act

CIR Logo 

Made in the USA 

CIR Enterprises, Inc. is a Colorado based, family owned business with over 40 years of combined RF experience. Our company is dedicated to providing premier customer service. We offer a wide range of services to meet your project needs.


CIR Refurbished Modular Solid Wall RF Shielded Rooms

CIR RF Shielded Rooms

 

Solid Wall

 

Refurbished RF Shielded Rooms

 

Modular Enclosures to Size Required

 

CIR RF Shielded Room 

 

Refurbished RF Shield Room 

The CIR shielded rooms will provide up to 100db min. of attenuation from 14 KHz to 10 GHz when subject to electric fields and plane waves.

 

CIR Shield Room During Construction

We specialize in shielded enclosure manufacturing, modification, refurbishment, installation, and RF testing.  

CIR manufactures and installs steel clad, clamp together, shielded enclosures. We recommend the steel clad system because, with its sturdy  construction, it is easily modified. 

 

Enclosures

  • All Sheet Modular Steel Chambers 
  • 3/4 MDF 28 gauge Steel Panels
  • CIR Manufactured Waveguides 
  • CIR Manufactured Pen Panel/Bulkhead

 

We are always looking for good used RF shielded doors. If you have any Universal, RayProof, Braden, ETS-Lindgren (knife edge) doors to sell.

Please send us an email.


 CIR-101008 RF Shielded Room For Sale

 

Refurbished

RF Shielded Room

100 DB from 14 KHz to 10 GHz

 

10' Wide x 10' Long x 8' High


For Industrial, Communication, and
Research and Development Applications

 

Price: $13,895.00 (Kit Price)

 

     

 

     

  

     

Rigid Wall, Free-Standing, Modular RF Shielded Enclosure, Floor, walls and ceiling are all rigid wall panels.

Designed to meet such high performance requirements as pager, cordless and wireless repair, cellular system production, security, research, and EMI/RFI testing and calibration.

Includes:
  
One (1) 3' x 7' Single Knife Edge Door (Refurbished)
 
One (1) 12" x 12" Blank Penetration Panel
 
One (1) 30 Amp filter (two wire)

One (1) ground stud

Two (2) 12" x 12" waveguide vents for air flow.

New panels and structural framing

New poly and masonite underlayment

New bronze wool and flashing for seams. (Included in price)

With New Door, panels, framing & air vents $15,500.00 (Kit Price)

Installation is Available


Typical Shielding Attenuation Characteristics

Model

Magnetic

15KHz

Electric/Plane Waves

15KHz   400MHz   1GHz

Microwave

10GHz

CIR

55dB

100dB   100dB   100dB

100dB

 

Shielding Effectiveness (dB)

Attenuation Ratio

Percent Attenuation

20

 

                 10 : 1

 

                90.0

40

 

                 100 : 1

 

                99.0

60

 

                 1,000 : 1

 

                99.9

80

 

                 10,000 : 1

 

                99.99

100

 

                 100,000 : 1

 

                99.999

120

 

                 1,000,000 : 1

 

                99.9999

 

Shielding effectiveness values are expressed in logarithmic, not linear, terms. Therefore, 80 dB of shielding effectiveness is not double the 40 dB level, but 100 times greater. Another way to express effectiveness is attenuation ratio, which compares the attenuation signal strength outside and inside the shield as shown below.



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An Electro Mechanical Research and Development (EMRAD) Corporation, Company

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