3-Band Ultimate 10 Element HF Yagi Antenna 3B-334HD

  • 3-Band Ultimate 10 Element HF Yagi Antenna 3B-334HD

Ultimate HF Tri-band Yagi 3B-334HD

Central wide spaced elements that can fit in antenna towers up to 1m wide. Specially designed for rotary towers and for antenna stacks.

Stack-tri-band-antenna-3B-334HD

Antenna design with wide spaced central. 3-Band antenna can fit in the middle of rotary tower or fixed.

Antenna uses common feed line. Input power limited by feed line only. Very low SWR, excellent F/B. Wind survival speed 160 km/h.

Electrical Specifications: 20m 15m 10m
Frequency Range: 14-14.35MHz 21-21.45 28-29 MHz
Free Space Forward Gain: 6.8 dBi 7.6 dBi 8.9 dBi
Front to Back Ratio: 21 dB 24 dB 21 dB
-3 dB Horizontal Beamwidth: 66° 65° 56°
Maximum SWR at any frequency: 1.3 1.3 1.3
Nominal Input Impedance: 50 Ohm
Maximum Power Input: More than 1500W
Matching Method: Direct feed through current balun. One cable for all three bands.
Connector: SO239

Mechanical Specifications:

Boom length: 6 m
Boom: 80 x 80 mm
Longest element: 11.5 m
No. of elements: 10
Turning radius: 7 m
Surface Area: 1.25 m2
Mounting Mast Diameter: 43 - 70 mm
Survival Wind Speed: 160 km/h 
Weight: 54 kg

Two antenna stack:

Electrical Specifications Stack characteristics
14 MHz 21 MHz 28 MHz
Frequency Range: 14.0 - 14.35 MHz 21.0 - 21.45 MHz 28.0 - 29 MHz
Free Space Forward Gain: 9.66 dBi 11.27 dBi 12.15 dBi
Front to Back Ratio: 22 dB 19 dB 22 dB
3 dB Horizontal Beamwidth: 66° 65° 56°
Nominal Input Impedance: 50 Ohm 50 Ohm 50 Ohm
Maximum SWR at any freq.: 1 : 1.3 1 : 1.3 1 : 1.3
Stacking: 9 m


  • Product Code: 3020
  • Availability: In Stock
  • 890.00€


Tags: 3-band, Stack, Antenna, 3B-334HD, HF