Westell Technologies, Inc., through its subsidiary, Westell, Inc., designs and distributes telecommunications products to telephone companies in the United States. The company operates through three segments: In-Building Wireless (IBW), Intelligent Site Management (ISM), and Communications Network Solutions (CNS). The IBW segment offers distributed antenna system conditioners; repeaters; battery backup units; and system components and antennas, including couplers, duplexers, splitters, filters, and tappers for commercial and public safety in-building wireless systems. The ISM segment provides a suite of remote units, which provide machine-to-machine communications that enable operators to remotely monitor, manage, and control site infrastructure and support systems. The CNS segment provides a range of outdoor network infrastructure, such as integrated cabinets, power distribution products, copper and fiber connectivity panels, T1 network interface units, and tower mounted amplifiers. The company serves wireless and wireline service providers, multiple systems operators, Internet service providers, systems integrators, neutral host operators, and distributors through field sales organization, distributors, and partners. Westell Technologies, Inc. was founded in 1980 and is headquartered in Aurora, Illinois.