LDG Electronics IT-100 Automatic Antenna Tuner 1.8-54 MHz.1-125 Watts, 2 Year Warranty The IT-100 is the ideal tuner for your shiny new Icom radio. First, it matches up to 10:1 SWR (3:1 on 6 meters), so just about anything you can feed with coax is good to go. 2000 Memories The IT-100 is just 6.5" long, 6.5" deep and 1.5" tall. It weighs only 1.5 pounds, and gets its DC power directly from the radio; no separate power supply needed. The IT-100 works with any Icom radio that supports AH-3 or AH-4 Icom antennas. This includes the IC-7000, IC-7100, IC-7200, IC-706MkIIG, IC-718, IC-746, IC-756ProIII and all others that are AH-4 compatible. The IT-100 comes fully assembled, aligned and ready to use. The package includes the IC-7K 14" radio interface cable.