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DUO7 10/20

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Duo7 10/15 m yagi antenna

DUO7 10/15


DUO7 10/15


DUO7 10/15 is a very compact dualband interlaced yagi, only one feedpoint with 50 Ohm, with full size elements for 21 and 28 MHz bands with surprising performance. Simple to assemble, DUO7 10/15 does not require any calibration, you don’t have to choose between CW and SSB, the SWR and performance will be fantastic over the entire band.

DUO7 1015 comes with an Assembly Tool and spare parts (bolts and a pair of aluminium tubes)

The 3kW RF Choke balun is also supplied as standard. This component is very expensive and many antenna manufacturers supply it as an optional extra.

It features flat SWR below 1.5:1 on all operating bands and is a perfect fit for modern transceivers and linear amplifiers.
It is the perfect companion for a monoband for 20 meters.

Requires only one coaxial cable
Requires a rotor for a medium/light load

RF Choke: 3kW included

Availability: ready to ship

For US market:
more questions? call Mark K1RX

 603-973-5963 | 
contact him by WA | 
 send an email

2 U-bolt 50/60 mm (2-2.3 in) INCLUDED
If you need larger ones,
please choose below:

If you prefer,
choose below a different RF choke:

SKU: DUO7 10-15 Categories: , , , ,


DUO7 10/1510 m band15 m band
Gain dBi: (20 meters above the ground)13.3012.45
Gain dBd free space:5.454.78
Active elements:43
Bandwidth kHz S.W.R. ≤ 1.5:1700450
Boom Length:400 cm/13.12 ft
Turning radius:420 cm/13.77 ft
Feed lines required:1 X 50 Ohm
Max tower lift side:50 cm/1,64 ft

Longest element:
760 cm/24.93 ft

Power handling:
10 kW

Wind area:
0.52 m²/5.6 sft

Wind load 130Km/h:
419 N

Wind survival*:
160 Kmh – 100 Mph

Tower Leg/Mast diameter:  50/60 mm – 2/2.36 inch (larger on request – specify on order form)

RF Choke**:
3 KW included

Weight (excluding packaging):
18 Kg/40 lb

Materials used

Tubes and plates:
Aluminum alloy 6060T6

stainless steel

insulating clamps:
polypropylene UV resistant


*Wind survival is the maximum wind speed to which the antenna can be subjected without incurring permanent deformation (calculated in the absence of ice)

**The Momobeam RF Choke (standard product offering, rated at 3 KW) is made from high quality Teflon dielectric, double shielded, low loss coaxial cable with properly selected ferrite material that is sleeved over the cable that together, create a high impedance path for RF, providing high isolation between the antenna and coaxial feedline.

An SO-239 female connector is included for convenient attachment to the customer feedline and its PL-259 Male connector.

The 5 KW and 10 KW rated RF chokes (optional purchase) are made from the same materials except the coaxial cable is 10 mm diameter.

The 10KW version uses a 7/16 DIN style connector.

Get the manual

DUO7 1015 User Manual EN 940 KB 39 downloads

User Manual DUO7 1015 ...
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