This is a sources sought notice for a tri-band, man-portable VSAT system, specifically the X-Band configuration, designed for high-speed military satellite communications. The system must support data rates up to 3 Mbps transmit and 45 Mbps receive, operate in temperatures from -32°C to +50°C, and withstand winds up to 45 mph. The initial procurement is for one system, with future sustainment including maintenance, upgrades, and potential additional units. No budget amount, submission timeline, or performance location is specified. The lightweight, rugged design allows for transport in a rucksack or hard case.