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Agency-wide communications infrastructure

One of the first goals for CATLab was to assist the New Hampshire Department of Safety in creating a statewide wireless data access system for troopers in the NH State Police and the NH Highway Patrol. Prior to the beginning of the program NHDS had acquired and installed a statewide digital radio system capable of handling both voice and data communications. This digital radio system is compliant with the APCO Project 25 specification which is being promoted as a standard for law enforcement communications by both APCO (Association of Public-Safety Communications Officials) and by the federal government. However, at that time there were virtually no actual implementations of APCO Project 25 mixed voice and data in the nation, and no commercial software available to support mixed voice and data over APCO Project 25 compliant digital radio. To our knowledge, NHDS is still the only agency with a wide scale implementation of mixed voice and data over APCO Project 25 compliant digital radio.

UNH personnel created both server side software and client software to support data queries over the data radio. The mobile server supports in-state and out-of-state motor vehicle checks, hazardous materials checks, and a variety of NCIC data checks (gun checks, wanted person checks, and so forth).

A separate aspect of the commercial hardware/software installation involves installing a network of 20 servers with high bandwidth wireless networking access points throughout the state of New Hampshire, at State Police troop stations and select NH Department of Transportation (DOT) fuel stations. Cruisers with the Project54 mobile system installed will establish an 802.11b wireless network link while refueling or at the troop station. The temporary high speed wireless link will support the automatic uploading of reports, log files, etc. from the mobile units to the headquarters server systems, and the automatic downloading of software upgrades, in-cruiser database files, etc. from the servers to the mobile units.