Presolicitation notice from the State Department of the United States is seeking mobile connectivity services for the American Embassy in Nairobi, Kenya. The contractor will be responsible for providing mobile telephone services, including SIM cards and e-SIM cards with Kenyan phone numbers. The services should be performed on the 5G network whenever possible, with fallback options to 4G/LTE and slower networks when necessary. The contract will have a base year and four one-year option periods. All responsible sources can submit a quotation, and the contract may be awarded based on the initial offer without discussion. The contract will be a firm fixed price type. Prospective offerors are encouraged to register in the SAM Database prior to submitting an offer.