Four types of RF bands used for VSAT communication

 


Satellite Connectivity in Africa, VSAT communication in particular, has become quite popular today. Satellite VSAT communication is split up into four RF or Radio Frequency bands that military satellites and commercial communication operates within. These different RF bands have distinguished uplink and downlink frequencies, need varied RF components, and are suited for diverse applications.  

The four RF bands used for VSAT communication include:

  • C-Band: VSAT C is used primarily for voice and data communications, and even backhauling. Owing to its lower frequency range, it can perform well even under adverse weather conditions.
  • X-Band: This band is majorly used for Wideband Global SATCOM (WGS) systems and military communications, and relatively few satellites in orbit in this band.
  • Ku-Band: Ku band is used ideally for distance learning applications, retail and enterprise connectivity, as well as consumer direct-to-home access. Its antenna size range from 0.9m -1.8m (~6ft), and are much smaller than C band.
  • Ka-Band: Ka-Band in Africa is used commonly for two-way consumer broadband. Ka band dishes are small in size and generally range from 60cm-1.2m (2′ to 4′) in diameter. However, its transmission power is greater than the C, X, or Ku-band beams.

More details on RF bands, as well as VSAT Teleport in Africa can be found online.

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