The company's DSP 9000 Handset and DSP 9000 Implant Board were ordered by Datron World Communications Inc., which is supplying its radios to Afghanistan.
The contract from Datron is worth about $870,000. Deliveries will take place next year.
"Being selected once again by our customer to secure the radio communications network in Afghanistan using our DSP 9000 confirms our solution's operational performance, customization capability, and flexibility to support various applications," Carl H. Guild, Jr., president and chief executive officer of Technical Communications Corporation."
The DSP 9000 universal secure radio encryption product operates with most radio makes and models, and all frequency bands and will enable secure, tactical communications between Afghan troops and international forces regardless of their communications equipment.
Technical Communications Corporation noted that its DSP 9000 has proven in-use performance and is used by government agencies and armed forces around the world.