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WHAT IS A VSAT?

WHAT IS A VSAT?

Published in:6 months ago

VSAT is short for very small aperture terminal, an earthbound station used in satellite communications of data, voice and video signals, excluding broadcast television. A VSAT consists of two parts, a transceiver that is placed outdoors in direct line of sight to the satellite and a device that is placed indoors to interface the transceiver with the end user’s communications device, such as a PC. The transceiver receives or sends a signal to a satellite transponder in the sky. The satellite sends and receives signals from a ground station computer that acts as a hub for the system. Each end user is interconnected with the hub station via the satellite, forming a star topology. The hub controls the entire operation of the network. For one end user to communicate with another, each transmission has to first go to the hub station that then retransmits it via the satellite to the other end user’s VSAT. VSAT can handle up to 56 Kbps.
VSAT Applications
Some applications for VSAT networks include:
Broadband internet access
Video teleconferencing
Streaming video
Data, voice, fax, email, VPN
Global voice over IP (VOIP)
Broadcasting
Disaster relief and emergency response
Financial and banking feeds
Mission-critical communications and encrypted networks
Distance learning and training
Remote SCADA monitoring
Mobile offices
Benefits of VSAT Networks
Global mobile access in remote locations
Cost-effective and affordable
Easy, rapid deployment
High-quality broadband connections
Scalable
Secure and reliable
Back-up to terrestrial networks
Bandwidth on demand

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