Chameleon LEFS 4010 EFHW 40-10m

As low as: €239.00
incl. VAT, plus shipping €200.84
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Top Features

  • Operation on 40/20/15/10 m without tuner
  • Very light, small transport size

Use 4 popular shortwave bands without antenna tuner


The Chameleon LEFS 4010 is a lightweight, end-fed half-wave antenna (EFHW) for portable use on 4 shortwave bands. The matching transformer is a 1:49 UnUn, which is mounted on a practical winder/rewinder and protected from the weather.


Ultra-light antenna wire made of tinned copper with a Teflon coating is used to operate the antenna. If you just want to work on the 40, 20, 15 or 10 m bands, it is sufficient to use this approximately 20 m long antenna wire. In this case, an SWR of 2:0:1 or better is achieved without the use of an antenna tuner.

Antenna tuners, SWR meters or analyzers can therefore stay at home and you save valuable space and weight in your hiking rucksack or luggage.

If you also need the 30, 17 and 12 m bands, you will have to use an antenna tuner.


The LEFS 4010 has 2 BNC terminals: One for use in EFHW configuration with only one end-fed wire element and another connector with which various dipole types can be realized. An additional antenna wire of a suitable length is required for this.


This antenna is available individually or as a set on request - additionally with approx. 7.5 m of particularly light RG-316 coaxial cable, mounted BNC connectors and integrated RF choke.


No matter whether you want to take the LEFS 4010 with you on your next fieldday, for SOTA or POTA, a spontaneous trip into the countryside or on an expedition to faraway countries: Setting up and commissioning this impressive, ultra-light antenna is very simple and quick: connect the coax cable (optionally available) to the BNC connector, suspend the winder/rewinder with the integrated UnUn at a height of around 4.6, and either attach the antenna wire horizontally (for NVIS communication over short to medium distances), or tension it downwards. Now nothing stands in the way of your first QSO.


The Cahameleon LEFS 4010 is a versatile and reliable antenna that will delight you for many years to come! 

Technical Data
Product Name Chameleon LEFS 4010 EFHW 40-10m
Design of antenna Endfed Halfwave ant. (EFHW)
Antenna Type Omni-directional Antenna
Mono-/Multiband Multiband
Max. Power 100W SSB; 50W CW; 25W Data
Brand Chameleon
Connector 2x BNC
Length [m] 20 m
Supported Bands 40m, 20m, 15m, 10m
Weight 455 g
Chameleon LEFS 4010 EFHW 40-10m
Chameleon LEFS 4010 EFHW 40-10m

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As low as: €239.00
incl. VAT, plus shipping €200.84

In stock, shipped in 1 to 2 days

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