The Tracer LCI-I (LonTalk(TM) Communication Interface for Intellipak(TM) Unit Controller) enables a Packaged Rooftop, Commercial Self-Contained or Fresh Air unit to communicate over a LonTalk network. The pre-configured, factory-installed, and commissioned unit control module is a highly-integrated product that provides accurate and reliable control and equipment protection. Factory commissioning helps ensure the highest level of quality and customer satisfaction.