In FH mode, the input changes frequency about 100 times per second over portions of the tactical VHF-FM range. It accepts either digital or analog inputs and superimposes the signal onto a radio frequency (RF) carrier wave. The SINCGARS operates on any of 2320 channels between 30 and 88 megahertz (MHz) with a channel separation of 25 kilohertz (kHz). and allied VHF-FM radios in the SC, non-secure mode. The system is compatible with all current U.S. The SINCGARS can operate in either the SC or frequency hop (FH) mode, and stores both SC frequencies and FH loadsets. The modular design also reduces the burden on the logistics system to provide repair parts. A common receiver transmitter (RT) is used in the ground configurations. The SINCGARS is designed on a modular basis to achieve maximum commonality among various ground, maritime, and airborne configurations. The airborne AN/ARC-201 radio is phasing out the older tactical air-to-ground radios (AN/ARC-114 and AN/ARC-131). The SINCGARS family has mostly replaced the Vietnam War-era synthesized single frequency radios ( AN/PRC-77 and AN/VRC-12), although it can work with them. ![]() ![]() In the CNR network, the SINCGARS’ primary role is voice transmission between surface and airborne command and control assets. Single Channel Ground and Airborne Radio System ( SINCGARS) is a high frequency combat-net radio (CNR) used by U.S. A SINCGARS is being operated from within a HMMWV
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