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InnovAntennas 10/11m LFA-Q Quad Beams

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Top Features

  • 3 variants (2/3/4 elements)
  • Load capacity over 10 kW
  • High gain

Supply Scope

  • InnovAntennas Quad Beam as selected
  • Pole mount for poles up to Ø 50 mm
  • Assembly instructions
  • Bracing (only 4-element version)

The new and unique design LFA-Quad antennas from InnovAntennas offer better signal quality and lower noise compared to conventional Yagi antennas. The quad structure provides high directivity, eliminating unwanted spurious radiation. This results in a clean incoming signal. 


All antennas of this series can be operated not only in the 10m amateur radio band, also CB radio friends get their money's worth: By changing the element lengths of the outer element sections, the desired band can be easily selected already during installation. The exact distances to be set can be taken from the instructions.


The 50 Ohm feed is directly and loss-free at the active dipole element, which allows transmitting powers of more than 15 kW ex works! By vertical stacking of several antennas, directivity, gain and signal quality can be further significantly increased. This can be especially interesting when the installation of larger antennas is not possible, e.g. for space reasons. 


No matter if you decide for the compact 2-element version with a boom only 70 cm long, or for the top model with 4 elements and a length of 8.2 m: The LFA-Q antennas will convince you thanks to extensive simulation, the use of high-quality materials, reliability and durability!

Technical Data
Product Name InnovAntennas 10/11m LFA-Q Quad Beams
Band 10/11m
Antenna mount Center Mount
Antenna Type Directional Antenna
Design of antenna Quad
Brand Innov Antennas
Gain [dBi] (free space) 6.94
Peak Gain (free space) [dBi] 7.05
Max. Power [W] 10000 W
Mono-/Multiband Monoband
Polarisation Horizontal
Balun Included No
Connector Screw Terminal
Strut no
Impedance (Ω) 50
Max. Mast Diameter [mm] 50
Max. Windspeed (km/h) 180
InnovAntennas (UK) was founded in 2010 by Justin Johnson, G0KSC. Justin is a well-known antenna designer and inventor of the LFA (Loop Fed Yagi), OP-DES (Opposing Phase Driven Element System) Yagi and the OWL (Optimised Wideband Low impedance) Yagi. In addition to running the company, Justin presents at antenna forums around the world, including regular participation in the Dayton Hamvention Antenna Forum and contributing to the pages of the ARRL Antenna Book. The production and exclusive distribution of the antennas has been largely outsourced to WiMo (Germany) since 2019.

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