释义 |
long-haul radio long-haul radio[′lȯŋ ‚hȯl ′rād·ē·ō] (communications) A microwave radio system for transmitting telephone, video, data, and telegraph signals over distances on the order of 4000 miles (6500 kilometers) or more on line-of-sight paths between a series of repeaters which demodulate the signal to intermediate frequency and then remodulate. |