For over 50 years, Linear LLC has been an innovator in the security and access control markets. Linears legacy includes the early application of passive infrared detection and radio frequency (RF) transmission, te......For over 50 years, Linear LLC has been an innovator in the security and access control markets. Linears 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.