Geophysical Technology, Inc. (GTI) designs, engineers, and manufactures wireless seismic recording technology, ancillary equipment and tools. Our flagship product is the NRU-1C nodal recording unit. The NRU-1C is a highly versatile wireless, autonomous, and continuous nodal recording unit that can be adapted to record in various types of ground surface. The NRU-1C can be outfitted with internal or external geophone, internal and external battery. The PCB cabin used in our nodes can be switched out and placed into any of the GTI form factors to suit clients’ project needs.