The KTC330 Mine Communication and Control Device is applicable to underground coal mine areas with explosive hazards of gas and coal dust. It realizes protection, control, along-the-line call communication, voice alarm and other functions for various belt conveyors, as well as working face scraper conveyors, transfer conveyors, crushers and other conveying equipment. It adopts a dual-bus redundant design and a CAN bus design with adaptive terminal resistors for higher safety and reliability. It supports uncompressed digital voice with high sound quality. Featuring a concise system architecture and plug-and-play devices, it supports wireless remote control and enables rapid fault location.