The Icom CY-F121S / CY-F121S series repeater is available in UHF or VHF and has 25-50 watts of power with 8 channels.

Power failure? Not a problem. The CY-F121S/CY-F221S can be configured to auto switch from AC to DC. The CY-F121S/CY-F221S is the perfect choice for schools, warehouses, or anywhere when a simple yet powerful repeater is needed. The CY-F121S / CY-F221S is strong enough to carry your signal many miles. A built-in cooling fan and plenty of air flow room helps keep things running cool. A low power version is available for in-plant or on campus applications.

Two Way Direct rates this repeater as a Standard Series Device with a 3.75-Star Durability Rating based on Military Specification Standards. The MIL-STD-810 series of standards are issued by the United States Army's Developmental Test Command, to specify various environmental tests to simulate conditions that the CY-F121S will encounter in the field.