PowerLinx, Inc. engages in the development, manufacture, and marketing of products and applications developed to transmit voice, video, audio, and data over power lines, twisted pair wires, and coax in AC and DC power environments on various power grids. It has three segments: Security Products, DC transportation Products, and Marine Products. The Security Products segment develops, manufactures, markets, and sells proprietary video security network devices and consumer electronic products to retailers, commercial businesses, dealers, distributors, and original equipment manufacturers in North America. The DC Transportation Products segment offers power line rear and side vision systems to f......