Momobeam DUO7 10/20 Dual Band HF Yagi Antennas are medium-sized dual-band HF Yagi antennas featuring three elements on 20 meters and four elements on 10 meters, delivering exceptional gain and directivity across both bands. Built on a durable square boom, the DUO7 10/20 is designed for easy assembly with no calibration required. With a single feed point and SWR below 1.5:1, it’s an ideal match for modern transceivers and linear amplifiers. Installation is straightforward—even for first-time users—thanks to clearly labeled aluminum tubes and hardware packaged in separate, labeled bags.

The mission at Momobeam Antennas is to design antennas that deliver exceptional performance and uncompromising construction quality. Their products are built to endure the test of time, even under the most demanding meteorological and environmental conditions. Today, Momobeam is recognized as a solid and prestigious presence on the international stage. Their operations focus on the design and manufacturing of high-tech mono-band and multi-band antennas, engineered with precision and built to exceed expectations. With a commitment to innovation, durability, and performance, Momobeam continues to set new standards in the antenna industry.

* Requires only a single coaxial cable and a rotator suitable for medium loads.

DUO7 10/20 Features and Specifications:

• RF Choke Balun: 3kW included

• Longest element: 36.75ft. (1120cm)

• Power Handling: 10kW

• Wind Area: 7.64 sq. ft. (0.71m²)

• Wind Load @80MPH: 471.3 ft. lbs. (639N)

• Wind Survival*: 100 Mph (130 Km/h)

• Tower Leg/Mast Diameter: 2.0-2.36in. (50/60mm)

• Tower Lift: 0.31ft. (40cm) above the tower top Weight: 66lbs. (30kg)

• Feedline Connector: (1) 50-Ohm UHF SO-239 female

• Tubes and Plates: Aluminum alloy 6061T6

• Hardware: stainless steel

• Insulating Clamps: polypropylene, UV resistant