The XT-PRO is a rugged and advanced satellite phone for professionals, featuring the largest screen in its class, supporting multiple navigation systems (GPS, BeiDou, Glonass), and equipped with an SOS button for emergencies, along with a long-lasting battery and resistance to water and dust, making it a reliable communication tool in very remote areas. The DUAL version (XT-PRO DUAL) offers the capability of using two SIM cards, one for satellite and the other for GSM. Storage Capacity: 1TB Condition: New Color: Black