SAT-VDA ensures uninterrupted satellite service while using Thuraya satellite equipment in vehicles. Due to the nature of satellite signal, requiring direct view of the satellite, SAT-VDA significantly increases reliability of the satellite service for in-vehicle use. Hands-free features of SAT-VDA let you drive in comfort and safety while using your Thuraya phone. With the Digital Signal Processing box, the voice quality and comfort of use have never been greater.