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Published on November 30th, 2012 | by Alexis Argent

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SAF microwave links ensure live broadcasting in Belgium

SAF together with a local partner Diginet created a customised solution for Belgian Flemish national broadcast company Vlaamse Radio- en Televisieomroeporganisatie (VRT). Along with the broadcaster’s fiber network, 3 transmission vans are used.

Each of them is equipped with 4 SAF Lumina radios for the implementation of 2 redundant links. At the event location, the SAF Lumina equipment is either placed on a roof of a building or installed onto a mobile tower vehicle. The upgrade from the previously used non-flexible PDH technology to a new SAF flexible IP platform for video and audio transmissions was rather revolutionary but necessary.

VRT uses the links for transporting live, high-quality video and audio signals together with a data link, each signal with a defined QoS and VLAN. A minimum required payload is 100Mb/s within a bandwidth of 30 MHz, a minimum system value is 105 dB, the same as an optical Ethernet interface, VLAN possibilities, and multicast. The broadcasting company has used the links for almost 2 years now and is satisfied with the overall performance, as well as with their stability in severe weather conditions.

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