Sentel to build jam-resistant battlefield radio system

Sentel to build jam-resistant battlefield radio system

The Office of Naval Research has chosen Sentel Corp. of Alexandria, Va., to help sailors and soldiers on the battlefield communicate with fewer radio antennas across radio frequency bands.

Under a three-year, $850,000 contract awarded by the Space and Naval Warfare Systems Command, Sentel will develop a multifunctional communications system that would use fewer antennas than the Navy and Army now employ, company officials said. The system also must reduce the chances of interference.

Sentel's task is to develop ultra-high-frequency band radio system that can operate simultaneously with very-high-frequency models without interference.

'Considering the proliferation of wireless telecommunications and declining usable electromagnetic spectrum, this would allow the military to operate multiple radio frequencies in peacetime and on future battlefields,' said James F. Garrett, Sentel president and chief executive officer, in a company statement.

'The technology makes it harder for hostile forces to track and jam radios in a frequency-hopping transmitter system. It also increases the bandwidth available to the warfighter'important in today's digital battlefield environment,' Garrett said.

Sentel previously worked for the Navy to reduce radio-frequency problems at sea. The company and SPAWAR codeveloped the Comb Limiter-Comb Linear Amplifier Combiner prototype, known as CLIC-CLAC, which lets more frequency-hopping radios operate in an area without interference.

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