Mining low frequency wireless intercom

The utility model provides a mining low frequency wireless intercom, includes the casing, sets up the antenna outside the casing to and set up signal receiver and the signal emission device in the casing, signal receiver and signal emission device be by being located the battery powered of casing, the magnetic ring of antenna for taking the handle, the magnetic ring is formed by the magnetic materials combination of two circular arc types, the outside wound wire circle of magnetic materials, and every magnetic materials lower part all is provided with a handle, rotates through a round pin axlebetween two handles and connects. A mining low frequency wireless intercom, through the improvement to antenna and battery, use the antenna of wireless low -frequency electromagnetic induction type,can utilize metal in the pit to carry out range signal's far away transmission as the extension antenna, use the battery to supply power for the intercom, satisfy that the intercom is miniaturized, the operation requirement of