Mining industry is defined by the tough terrain and often working in difficult to reach areas. Mobile networks are rarely available, especially in the work areas. Moreover, it is not advisable to use mobile phones in such environment. It asks for a tough radio to survive such conditions. The work is life threatening. A mishap can occur any time and reinforcement would be required. A lot of equipments like cranes, bulldozers, dumpers etc are used in mines and they are often directed by persons on ground. The connectivity within mines and between mines are governing areas should always be available. Portable radios provide connectivity between the mines, but fixed radios (base stations and repeaters) are also often used depending on requirement and the size of mines. Fixed radios are normally used in equipments. Connectivity between mines and offices is provided using base radios.