Momobeam Duo11 10/15 SF – Dual-Band HF Yagi Antenna are a full-size dual-band HF Yagi designed for the 15-meter (21 MHz) and 10-meter (28 MHz) bands. This antenna delivers the performance of two monoband antennas while optimizing space on your tower.

Engineered for flexibility, the Duo11 allows two transceiver/amplifier stations to operate simultaneously without the need for costly diplexers (use of band-pass filters is recommended to protect your equipment). Assembly is simple and intuitive thanks to its square boom design, labeled aluminum tubes, and hardware supplied in separate, marked bags.

Requirements:

• Two coaxial cables

• Medium/heavy-duty rotator

• RF Chokes: (2) 3kW included

Duo11 combines high efficiency, rugged construction, and ease of installation—perfect for operators who demand top-tier performance in a compact footprint.

Additional Features and Specifications:

• Longest Element: (732cm) 24ft.

• Power Handling: 10kW

• Wind Area: (1.48m² ) 16 sq. ft.

• Wind Load (130 km/h): (1202N) 886.55 ft. lbs.

• Wind Survival: (130km/h) 80mph

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

• RF Choke: (2) 3kW included

• Weight (excluding packaging): (40kg) 88.0lbs.

• Tubes and Plates: Aluminum Alloy 6061-T6

• Hardware: Stainless Steel

• Insulating Clamps: Polypropylene (UV resistant)