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City of Santa Ana Exhibit C -1, System Description 1.5 Premier Mobile Data Computing (Premier MDC) Motorola's Premier MDC software application is an off -the- shelf, fully configurable system based on the unique needs of the City of Santa Ana. Premier MDC is designed on the principles of open architecture for maximum interoperability with current and future Santa Ana systems. When integrated with Premier CAD Premier MDC improves dispatch capabilities, delivers direct access to database information and facilitates more efficient field reporting and investigation. 1.5.1 Components of the Premier MDC System The following Premier MDC modules are included: ■ Messaging — For Text Messaging between all Premier MDC users registered on the City of Santa Ana's Message Switch. Messaging will reduce radio traffic on the CAD system while allowing users to communicate with each other and with dispatchers securely. ■ CAD Interface — For digital dispatch, self - initiated calls, status reporting, and download of other vehicle and call statuses. Interfacing the CAD system with the mobile data computer provides secure message information to the user in the field without interference from radio voice traffic. 1.6 AirMobile AirMobile is a software application that works with a Wireless Local Area Network (WLAN) to transfer batch -load, non real -time information between a centrally located AirMobile server (that serves a single -site) and multiple mobile users. The WLAN coverage area is the physical location within which mobile users can send and receive information over the WLAN. The coverage area is created through the use of access points, small wireless transceivers that act as bridges between the WLAN and the wired LAN. WLAN Communication Systems use Spread Spectrum radio frequency (RF) technology to transmit and receive information over the air, combining high levels of data connectivity and user mobility. The AirMobile file transfer application is designed for customers who need a way to handle regularly occurring large data exchanges or software updates, while preserving the use of their wide area data channel for mission - critical and real time applications. It provides the foundation for low cost fleet management, supplying information updates to the vehicle, as well as receiving data from the vehicle, all over WLAN technology. Using a WLAN system for these transactions is a major customer benefit because it: Allows the administrator to organize the fleet in a way that reflects the organization's structure Optimizes bandwidth usage through detailed scheduling of data delivery Exhibit C -1, System Description C1 -5 05/2/05 CN: 05 -17505 Design, engineering, and pricing information contained in this offering is considered proprietary and may not he shared with any person or agency not directly associated with the addressee without the express written consent of Motorola, Inc., or its designees.