Importance

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Abstract

A self-contained radio frequency (RF) wireless communication device (100) comprising an explosion-proof housing (110), an internal electronic system for the conversion of radio wave and conducted electrical signals, and an internal antenna system located within a non-metallic portion (130) of the housing for collecting and emitting radio wave energy. The antenna system enables the wireless communication device (100) to safely collect and emit radio wave energy using one or more optimally configured antenna resonators (351), with each antenna resonator differing each other antenna resonator by at least one attribute in a group of attributes comprising: frequency response, field polarization, and wavelength spatial diversity. The present invention is a self-contained RF wireless communication device that provides data communications between two or more devices for the supervisory control and/or data acquisition of actuators, sensors, transducers, gas detectors, and other devices located in explosive hazardous locations without the need of installing one or more external antennas, one or more antenna connectors, excessive conduit connections and seals, and the like, whereby reducing system installation components count and eliminating conduit connections, furthermore reducing the probability of system-level failures caused by lower-level faults of components and conduit connections, resulting in a less expensive and safer electrical equipment installation.

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First Claim