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spec: " Integrated computer and communications devices will allow the soldier to be aware of their location , as well as that of fellow soldiers . The Mobility Group , led by Sean Maloney , 48 , and Dadi Perlmutter , 51 , will develop platforms for notebook PCs and handheld computing and communications devices , and is aimed at making the growing numbers of different mobile devices work together better and easier to use . Relatively cheap and usually a one or two year contract .