Specifications include, but are not limited to: The GPS Receiver subsystem: • shall include a satellite receiver capable of determining geographic locations to within three meter accuracy • shall transmit data on regular intervals at a minimum of ten seconds and transmit locations to the server at a minimum of every one minute • shall include the option of an antenna • shall be powered directly from the vehicle’s 12 volt power system • must include mobile devices for easy transfer from contract vehicles, as well as hardwired for city vehicles • mobile devices should include the option to run on battery power • should have the ability to disable data service when device and/or vehicle is not in use • must operate in field conditions experienced in the daily operation of a wide variety of equipment such as snowplows, sidewalk plows, material spreaders, sweepers, front-end loaders, trucks, cars • must be able to function in extreme winter weather conditions and shall be enclosed in a suitable water resistant, salt resistant, and shock and vibration resistant housing • should have device fault detection functionality • positional accuracy shall be 3 meters minimum The GPS Receiver Subsystem shall be able to track vehicle status data which includes: • vehicle number.
