You cannot export without the approval of the U.S State Department. If you export without approval, it is a serious federal crime. These devices are highly enforced by ITAR regulation.
Definition of ITAR:
Export of the commodities described herein is strictly prohibited without a valid export license issued by the U.S. Department of State, Office of Defense Trade Controls, prescribed in the International Traffic in Arms Regulation (ITAR), Title 22 Code of Federal Regulation, Parts 120-130.