Technical Communications Corporation is engaged in design, development, manufacturing, distribution, marketing and sale of communications security devices, systems and services. Its products consist of electronic devices that enable users to transmit information in an encrypted format and permit recipients to reconstitute the information in a deciphered format if the recipient possesses the right decryption. Its products can be used to protect communications between radios, landline telephones, mobile phones, facsimile machines and data network equipment over wires, fiber optic cables, radio waves, and microwave and satellite links. Its products have been sold in over 115 countries to governments, military agencies, financial institutions and multinational corporations. It offers network encryption systems with centralized key and device management for Internet protocol, Synchronous Optical Network & Synchronous Digital Hierarchy, and frame relay networks to secure data in transit.