The Vintage Alliance model U-110 Antenna Rotator control box is a 1960s-1970s era piece designed for base station radios. Made of plastic, this 7-inch unit features motorized rotation for optimal signal strength adjustment. Compatible with both UHF and VHF bands, this omnidirectional antenna is a versatile addition to any ham or amateur radio setup. With a weight of 10 lbs, this unit is a sturdy and reliable choice for vintage radio enthusiasts looking to enhance their communication capabilities.