Linear LLC
Linear LLC purchased the assets of Multiplex Technology, Inc. in 1999. In early 2003, the two merged product names under Linear Professional Group. Multiplex Technology has been a leading manufacturer and designer of high-performance, multi-room video, data and telecommunication distribution equipment for home automation and home entertainment since 1983. Linear LLC and Multiplex are subsidiaries of Nortek, Inc., a leading international manufacturer and distributor of high-quality, competitively priced building, remodeling, and indoor environmental products for the residential and commercial markets.

OpenHouse®
OpenHouse offers a complete range of structured wire products to the residential building industry. A revolutionary system that integrates entertainment, communications, safety and automation products, OpenHouse was designed to support the home of the future and the increasingly sophisticated needs of homeowners in a state-of-the art, technologically advanced living environment.

The basic OpenHouse network includes advanced wiring built into the walls and a residential gateway that serves as the central hub for the electronics. Through attractive wall plates, this network connects all the rooms in a house together. For example, with the appropriate modules, OpenHouse enables homeowners to telecommute from any room with multi-line phone access, watch all video sources from any TV in the house, listen to the family room CD player while relaxing in the tub, or monitor a baby's nap from any room with a television.

The OpenHouse structured wire solution offers various modules for telecommunications, audio/video, automation, and safety. In addition, the installer has a choice of brackets and enclosures as well as various accessories such as wall plates and Cat 5 jumpers.

ChannelPlus®
Since 1983, the ChannelPlus product line has been acknowledged as the premiere brand in multi-room audio, video distribution systems. Innovative design and dependable performance has made ChannelPlus the number one choice of professional installers. ChannelPlus products are used in residential homes and small business such as, restaurants, sports bars, training facilities, and schools. Homeowners can enjoy an advanced integrated home network that provides outstanding picture quality to every TV, clear telephone connections, easy satellite access, a residential gateway for data networking, and the ability to watch their front door camera, DVD or VCR from every TV in the house. Why limit home theater to one room? With the addition of a ChannelPlus stereo modulator, homeowners can distribute their home theater to every room in the house. ChannelPlus products include a complete line of modulators, cameras, enclosures, RF amplifiers, distribution panels and telephony products.