U.S. Commlink, Ltd. utilizes roadside controller cabinets and NEMA enclosures as host infrastructures for advanced Intelligent Transportation Systems (ITS) deployments and multi-faceted remote data collection. U.S. Commlink, Ltd. also sells cellular call box networks.

The primary purpose of Intelligent Transportation Systems is to enhance the safety and efficiency of highway traffic. The enhancement of highway safety and efficiency is achieved by the collection and dissemination of highway related data to Traffic Operations Centers. U.S. Commlink, Ltd. produces products which allow the remote retrieval of roadside device data over wireless backbones.

U.S. Commlink, Ltd. also provides the motorist enhanced safety through its motorist aid call boxes, which are the yellow call boxes seen beside many highways in California. The basic job of the motorist call box is to provide a cellular-based emergency assistance communications device to the user. These can be powered via the power grid or via solar arrays coupled with batteries. The Callbox allows the motorist to be patched through to local authorities for assistance.