This is a pre-solicitation notice for comprehensive wireless services, including voice, data, and messaging, for an estimated 13,000 service lines for end-user units located in Germany. The Government intends to award a contract to the lowest-price, most advantageous bidder from established European Theater Wireless BPA holders, with an anticipated award date no later than 31 July 2026. The Period of Performance is set to begin on 01 August 2026. Key vendor requirements include the ability to transition active phone numbers within 24 hours, the use of physical SIM cards, and full compliance with Section 889.