Open invitation to tender, deadline 28.05.2013, for data-transmission equipment in new and old tube of the Schluechterner tunnel (3,576 m) on the Frankfurt-Goettingen line. Time limit for receipt of requests for documents or for accessing documents: 27.05.2013. Duration of contract 18.07.2013 to 29.08.2014. Contact Morgenstern Thorsten, DB AG, Frankfurt Am Main, tel +49 6926543287, fax +49 6926520018, e-mail thorsten.morgenstern@deutschebahn.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=131684-2013. 17/13.