About Linear

A B O U T   L I N E A R

For over 50 years, Linear LLC has been an innovator in the security and access control markets. Linear's legacy includes the early application of passive infrared detection and radio frequency (RF) transmission, technologies that revolutionized the wireless security and access control industries.

Today, Linear delivers class-leading wired and wireless products into a variety of markets serving the security, access control, health & wellness and home technology needs of its customers. Linear continues to expand its product and engineering prowess, leveraging the knowledge gained from strategic acquisitions and custom product development which will help lead the company into the next 50 years.

Key Contributions to the Security Industry

  • Introduced the first RF link for use in the security industry.
  • Introduced the first digital RF link for use in the security industry. (Standard Digital)
  • Instrumental in the development of the digital communicator via our SESCOA division.
  • Inventor of the PIR based security lighting product.
  • One of the first companies to offer a Personal Emergency Reporting System to the industry for transmission of an emergency condition.
  • Developed and introduced the first supervised RF link for use in the security industry. (S1 format)
  • Developed and introduced the first multi-million code transmission format to the security industry. (MegaCode)
  • Co-developed the groundbreaking 2GIG Technologies' Go!Control panel, which sold more than 1,000,000 units in service in its first 2 years.
Security products manufactured by Linear are installed residentially and commercially throughout the U.S., and worldwide, in many prominent and prestigious facilities.

Custom OEM Solutions

Linear Custom SolutionsLinear applies its extensive RF engineering and manufacturing expertise in an active original equipment manufacturer (OEM) program. Click here if you would like to learn more about our services.

Distributors and Dealers

Linear products go to market through a worldwide network of more than 300 distributors, thousands of dealers and professional installers, emergency service providers as well as retail home centers. Linear is proud to be a BBB Accredited Business.

Engineering / Manufacturing

The company maintains its executive staff, sales, engineering, and research and development resources in Carlsbad, California. Primary manufacturing is performed in its China facility. Linear also maintains a complete staff of engineering and manufacturing personnel in Hong Kong.

Technical Services Support

Linear's Technical Services Department provides telephone support for more than 1,500 products in various types of installations and applications. Click here to contact Technical Support.

Linear Training

Linear UniversityLinear's Technical Services group offers year-round training through Linear University:

  • Accredited Continuing Education Unit (CEU) activities, courses, and programs at its Carlsbad, CA headquarters, and on site at customer locations
  • Self-study training via videos
For course schedules or to learn more about Linear Training, visit Linear’s Training microsite at www.learnlinear.com.

West & East Distribution Centers

To streamline order fulfillment and shorten delivery time for its distributors and dealers, Linear maintains two fully stocked regional distribution facilities in Eastvale, California, and Olive Branch, Mississippi. With more than 900,000 sq. ft of inventory space and nearby air and ground carriers, these centers ensure we get the right product to our customers in a timely fashion.

A Nortek Company

Linear LLC is a subsidiary of Nortek, Inc. (Nasdaq: NTK), a global, diversified company whose many market-leading brands deliver broad capabilities and a wide array of innovative, technology-driven products and solutions for lifestyle improvement at home and at work. Please visit www.nortekinc.com for more information.


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