Abstract: The spread spectrum wireless position determinator, ranging, and communication system is disclosed in this invention. The system consists of handheld or otherwise mobile apparatus which can be hand-carried or installed in the carts or vehicles, fixed-position reference stations deployed throughout the vicinity of the operating region of interests, and a central reference station. The mobile apparatus includes a spread spectrum transceiver, an input unit, and an output unit, which supports four functions: 1). accurately determines its position within the operating region and distance to pre-defined features within the region, 2). provides a voice communications with another mobile apparatus or central reference station within the region, 3). transmits or receives data message which can be routed via the reference stations to the central station, or other mobile apparatus within the region, 4). displays various information or stores information entered by the operator.