RAK Helium Field Mapper with Plug&Play and 3rd Party Mode 10701-H US915MHzRAK Helium Field Mapper with Plug&Play and 3rd Party Mode 10701 H US915MHz When deploying Helium Hotspots, it is crucial to know whether they are far enough away from each other and if the area that should be covered by the hotspot is in range at any location. It is important to locate the dead spots in your Helium network coverage. When deploying Helium sensor nodes, it is crucial to know whether all sensor nodes are in the range of a gateway or