This document provides an overview of VSAT (Very Small Aperture Terminal) satellite communication technology. It describes how geostationary satellites are used to provide internet, voice, and data services to ships at sea via antennas on the vessels. Benefits of VSAT include always-on connectivity without extra usage fees. Challenges include latency from the long distance to satellites and potential interference issues. The document also outlines services and solutions provided by a specific VSAT network operator.