Northern Technologies is a leading manufacturer of high performance EMI/RFI shielded and non-shielded connector covers for D-subminiature and high density SCSI connectors. We also offer an extensive line of D-subminiature connectors, SCSI connectors, V.35 connector kits, Category 3 to 5 accessories, over-mold cans, custom hardware and accessories. Northern Technologies metal and metalized plastic connector covers are designed and manufactured to meet or exceed the requirements of FCC Doc.#20780 for the suppression of EMI / RFI Class A and B. Most of the connector covers we provide utilize our patented NorTechâ„¢ compression insert system which virtually eliminates EMI / RFI emissions. OurÂ ”one size fits all”Â concept allows you to use the same connector cover with a wide variety of outside cable diameters, thus reducing inventory. Our compression insert system can potentially cut your cable assembly time in half. A full line of high quality connector products combined with a responsive order processing system, centralized warehousing and a broad network of stocking Distributors means you can count on Northern Technologies for all your connector product requirements.