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Cobham unveils lightweight Ka-band antennas


Cobham SATCOM is unveiling a new generation of lightweight 60cm Ka-band VSAT antenna systems, designed for High Throughput Satellites (HTS) services on Inmarsat Global Xpress and Telenor’s THOR 7.

{mprestriction ids="1,2"}The SAILOR 60 GX and SAILOR 600 VSAT Ka share the same design and carbon fibre composite/aluminium construction, weighing in at 37kg. The antennas were put on display for the first time at the Monaco Yacht Show.

The Cobham SATCOM VSAT antenna portfolio already includes larger 1-metre class antenna systems for the new Inmarsat and Telenor Ka-band HTS services, but the company notes that these new versions can be cheaper and easier to install due to their reduced weight.

The SAILOR VSAT range of systems requires a single cable between the antenna and below deck equipment for RF, power and data, and includes functionality for Automatic Azimuth Calibration and Automatic Cable Calibration as part of a ‘one touch commissioning’ process.

Additionally, the use of Dynamic Motor Brakes inside the antennas removes the requirement for mechanical brake straps, ensuring antenna balance in no-power situations at sea or during transport, the company says.

“The spot-beam architecture of Ka-band HTS networks encourages smaller reflector dish sizes and therefore reduces the size and weight of the antenna. Also, by reducing the cost and complexity of installation and enabling the best RF performance, we are opening the door for a more diverse maritime VSAT market,” said Jens Ewerling, director, maritime broadband, Cobham SATCOM.

“With SAILOR 60 GX and SAILOR 600 VSAT Ka smaller vessels and recreational craft can now consider moving to the high throughput broadband connectivity of their choice, and enjoy speeds and reliability close to that delivered using much larger VSAT antennas.”{/mprestriction}

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Digital Ship magazine provides the latest information about maritime satellite communications technology, software systems, navigation technology, computer networks, data management and TMSA. It is published ten times a year.


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