translate English to French: An important cost component was accounted for by six modems which, it was hoped, could be provided on loan by ESA, since they were assumed to be readily available to ESA.
Les six modems, qui représentent une part importante du coût total, pourraient, espérait-on, être fournis par un prêt de l'Agence spatiale européenne qui, pensait-on, disposerait facilement de ce type de matériel.