VIPERSAT CDM570L VSAT hub gateway for C band internet access throughout Europe and Africa.

9m Ku band dish

Operations out of three teleports: Washington USA, London UK and Adelaide, Australia, providing dedicated quality links to businesses and internet cafés and ISPs throughout Africa. Africa is by this C band east hemi-beam coverage.

NSS7 east hemi beam
C band circular polarisation: ideal for high rainfall
and equatorial tropical regions.

Contact details:

Post: Global Teleports, Brookmans Park Radio Station, Great North Road, Hatfield, Herts, AL9 6NE, England

Phone: +44 (0) 1707 648 311
Fax: +44 (0) 1707 648 319

Email:
enquiries@globalteleports.com

The network uses the highest-performance CDM570 modems, each with an imbedded IP Router, to provide a standard ethernet the interface between your LAN and the satellite. Management software allows the Global Teleports NOC to set customer ports and system configuration and manages the QoS.

The satellite modems use turbo FEC and 8-PSK and 16-QAM modulation schemes and pulse shaping to produce unrivalled spectral efficiency which, combined with larger dishes will get the best value for money out of the space segment and thus reduced monthly charges for the same bit rates..

The Vipersat Management System (VMS) allows the modems to operate in dedicated SCPC mode, or if required, to time share bandwidth based on application and data load. If you only use the link occasionally there is no point holding a link open all the time (and paying for it for all the time!). This effectively enables the network to better handle connection oriented applications and reduce network congestion. The VMS also allows for dynamic point to point connections to be established between remotes. For such "mesh" networking, larger remotes such as 3.8m diameter are recommended.

Bit rates from 2.4kbit/s to over 5 Mbit/s, dedicated or shared.

Monthly price: around US$ 600 per 100kbit/s per month.

Note that C band operations with circular polarisation are idea for tropical areas with high rainfall rates. C band frequencies (4 and 6 GHz) are attenuated far less than Ku band frequencies. Also, in the equatorial region, faraday rotation occurs in the ionosphere so the use of circular polarisation is essential. You should not attempt linear polarisation operation in the equatorial region at L band or C band.

CDM570L C-band VSAT
Hand held VoIP phones may be used on your local wireless LAN.

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