L-TAC complements the scarce UHF satellite capacity with a single-hop, low-latency voice and data service, providing tactical L-band service when UHF channels are inaccessible or unavailable.
"Military users need to exercise reliable and cost-effective command and control of widely dispersed forces in austere environments where terrestrial infrastructures are non-existent," said Susan Miller, Inmarsat Government's president and chief executive officer.
"The L-TAC service provides clear communications at high speeds, crucial for convoys on the move in hostile environments. Such service is in critical demand on a global basis, enabling existing in-service tactical radios to access beyond-line-of-sight communications without the need to modify existing hardware."
Immarsat, which is showing the system this week at a Pentagon demonstration, gave no additional details about the system or its acquisition by the government.
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