The Qualcomm OmniTRACS™ Antenna Communications Unit (ACU) is a mobile transceiver which when installed on trucks allows two-way communication between drivers and fleet logistic centers. A global positioning device (GPS) inside the ACU shows controllers the geographical location of the truck and its cargo. The ACU is deployed in frequently harsh, inhospitable regions of the world and as such must operate reliably when exposed to diverse climatic conditions such as high humidity encountered in the Amazon River basin, extreme heat typical of deserts in the American southwest and while operating in northern Alaska where the terrain is rugged and winter temperatures reach −40C.

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