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Professional 2way2sat VSAT Services

The attraction of VSAT Satellite Communication for professional users is the ability to establish a network specifically dimensioned for the required service in terms of demand, performance, and geographical distribution, with the ease of scalability as the market expands.

2way2sat - Internet via Satellite DVB-SCPC solution

Today's telecommunications are largely based on the ubiquitous Internet Protocol (IP). It enables applications such as Internet backbone access, Streaming and Video-over-IP, Corporate Networks - virtually any unicast or multicast service.


Two VSAT technologies dominate the professional IP over Satellite market: SCPC (Single Channel per Carrier) and DVB / DBV-S2 (Digital Video Broadcast). Both VSAT systems allow high-speed digital transmission. While for VSAT communication  purposes SCPC is is a pure point-to point technology, with bandwidth allocated to a single terminal, DVB allows for point-to-multipoint scenarios with satellite bandwidth shared among terminals.

For two-way satellite VSAT communication, both VSAT technologies are combined:

  • SCPC (Single Channel per Carrier) networks provide communication links between two sites and are best compared to terrestrial leased-line connections. The SCPC network system addresses both a point-to-point satellite link and star network with several sites. SCPC/SCPC characterizes a link with both upstream (return channel, inbound) and downstream (forward channel, outbound) using SCPC technology.
  • DVB/SCPC transmission uses DVB at the forward and SCPC at the  return channel.
  • atrexx offers a complete range of professional 2way2sat VSATservices for the most demanding needs in many parts of the world.
  • Responding to the one-stop shop request of the market, atrexx also provides complete VSAT stations from our warehouse in Germany.

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