US Patent 10575417 Jobsite communications center

A jobsite communications center including a communications module including an electrical power source, at least one speaker and at least one antenna and a toolbox-like housing for enclosing the communications module and having a handle and first and second connection assemblies, the first connection assembly enabling readily-disconnectable and reconnectable stacking interconnection of the communications center with tool boxes, the second connection assembly enabling readily-disconnectable and reconnectable mounting of the communication center on a toolbox-carrying cart in a manner similar to connection of toolboxes thereto.