EMI Filters and RF Shielding Products
- Serving the RF Shielding Community Since 1978 -
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FOIL Ethernet Filters
  - POE Ethernet Filter
  - PLENUM Ethernet Filter
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Used Shielded Rooms
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RF Absorber
RF Shielding Services
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RF Shielding Services

RF Shielded Door That Leaks Like a Sieve!!!
Whether you need to repair, maintain or move your shielded enclosure, DJM Electronics, can assist with any of your RF shielding requirements or emergencies. We use only the most knowledgeable engineers and installers around North America and Europe to give you the service that you deserve.


The majority of our products can be sold with or without installation (aka "kit form"). For products with guarantees, installation by the manufacturer is typically required. If you prefer to handle installation by yourself, we would be happy to provide you with a list of independent installers.


Our teams are familiar with all major shielding systems and can assist you with relocating RF screen rooms, shielded enclosures and anechoic chamber. We will dismantle, move, and reconstruct any RF shielded room or anechoic chamber. We can also quote upgrading and enlarging existing rooms and chambers.

Maintenance and Refurbishment

All shielded enclosures and anechoic chambers must be maintained and periodically refurbished in order to continue functioning at peak performance. We can provide you with annual maintenance contracts and can refurbish existing RF shielded rooms made by most manufacturers.


DJM Electronics offers complete testing services for shielded enclosures and anechoic chambers. We can conduct RF radiated tests in accordance with MIL-STD 285, NSA 65-6, NSA 73-2 and IEEE STD 299-1997 on all sizes of enclosures.