VSAT: A Very Small Aperture Terminal (VSAT), is basically two-way satellite ground station with a dish antenna that is smaller than 3 meters (most VSAT antennas range from 75 cm to 1.2 m). VSAT data rates typically range from narrowband up to 4 Mbit/s. VSATs access satellites in geosynchronous orbit to relay data from small remote earth stations (terminals) to other terminals (in mesh configurations) or master earth station “hubs” (in star configurations). A DTH service provider has to lease Ku-band transponders from the satellite. The encoder converts the audio, video and data signals into the digital format and the multiplexer mixes these signals. At the user end, there will be a small dish antenna and set-top boxes to decode and view numerous channels. On the user’s end, receiving dishes can be as small as 45 cm in diametre. – এটা অবশ্য ভি-সেটের মাধ্যমে স্যাটেলাইট টিভি চ্যানেল দেখার জন্য। তবে এ থকে ধারনা পেতে পারেন।