W2M was the first satellite being built by Astrium in partnership with ISRO and launched on 20 December 2008. Under the W2M contract, Astrium is prime contractor in charge of overall programme management and the design and build of the communications payload. Antrix, the commercial arm of ISRO, supplies the satellite bus, based on the flight proven I3K model, and is in charge of the integration and test of the spacecraft. W2M was based on the I3K spacecraft and had a launch mass of about 3 tons and payload power of about 4 kW.
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