Spectra Geospatial HPB Battery Bag with Cables for ADL Vantage The Spectra Geospatial HPB Battery Bag with Cables is a portable external power solution designed specifically for compatible ADL Vantage radio systems. It provides convenient field power connectivity for GNSS and RTK radio operations. Key Features • External battery power solution for ADL Vantage radios • Includes SAE cables for compatible radio connection