A software based APCO Project 25 data transmission base station for local police headquarters

by Ramsey, Eric Rene, M.S., UNIVERSITY OF NEW HAMPSHIRE, 2007, 71 pages; 1447900


Project54 is a research and development effort to integrate embedded and wireless technologies into both NH State Police and local police cruisers. One of the features of the Project54 system, is the ability to query motor vehicle data. This is done through a Motorola APCO Project 25 digital voice/data radio in the cruiser and a digital voice/data base station at headquarters. An APCO Project 25 base station is a central hub for the transmission and reception of digital voice/data packets. The local police departments have the requisite radio infrastructure, but do not have the budget to purchase and support a Motorola digital voice/data base station.

The main goal of this thesis was to develop a low-cost data transmission base station to transmit data from a police headquarters to a cruiser. The base station developed uses an analog FM transmitter interfaced to a standard desktop computer, which implements the APCO Project 25 compliant digital data modulation.

AdviserW. Thomas Miller, III
Source TypeThesis
SubjectsElectrical engineering
Publication Number1447900

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