Ultrabeam 6 Band Beam UB-20MX, 3/2 El. Moxon

€3,316.00
incl. VAT, plus shipping €2,786.55
Choose your cable length:
with 30m control cable

In stock, shipped in 1 to 2 days

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SKU
12212

Top Features

  • Only 2.9m boom length
  • 2 El. Moxon on 17 and 20m
  • 3 El. fullsize on 15, 12, 10 and 6m
  • 180° direction reversal at the push of a button

Supply Scope

  • Antenna UB-20MX (12212)
  • Touch Screen Controller RCU-06
  • Switching Relay for radiator
  • 30m control cable with connectors, ready to use.
  • Mast Clamp for 50 mm rotor tube diameter.


Technical description UB-20MX

The very compact UB-20MX works as a 2 element Moxon antenna (radiator + reflector) on the bands 17 and 20m, achieving a gain of approx. 5.8 dB and a very good front/rear ratio. On the upper bands from 15m on, the beam works as a 3-element full-size Yagi. For switching the beam, an additional switching relay is included in the scope of delivery, the control line requires two additional wires.

The UB-20MX can reverse direction 180° at the touch of a button, so you can quickly check whether long-path or short-path is better, for example, without having to turn the antenna.

The RCU-06 controller is supplied with the antenna and enables full operation via a colour touch screen. The controller has a built-in USB interface that allows remote control by PC.

Application description UB-20MX


There is not always enough space for a full-size Yagi for all bands. Here, the UB-20MX offers an excellent compromise between space requirements and performance.
The smallest Ultrabeam 6-band Yagi 'UB-20MX' is a very compact solution for the bands from 6 to 20m. The antenna is only 2.9m long, the width is 7m and the weight is only 19kg. Ideal for terraced houses or situations where a very small element length has to be accommodated.
Fans of the 6m band don't have to miss out either:
An optional 6m kit with one element is available for this Yagi. This turns the 3-element Yagi into a 4-element for 6m. The gain and the forward/back ratio are thus improved on 6m. Of course, operation on this band is also possible without the option kits. The optional 6m element is not motor driven, but consists of conventional aluminium tubes. On the other bands, these short elements do not interfere.

Technical Data
Product Name UB-20MX
Front/Back Ratio 14 MHz (dB) 25
Front/Back Ratio 21 MHz (dB) 27
Front/Back Ratio 28 MHz (dB) 30
Max. Element Length 21936
Mono-/Multiband Multiband
Number of active Elements 50 MHz 3.0000
Number of active Elements 28 MHz 3.0000
Number of active Elements 24 MHz 3.0000
Number of active Elements 21 MHz 3.0000
Number of active Elements 18 MHz 2.0000
Number of active Elements 14 MHz 2.0000
Bi-directional mode Yes, on 15, 12, 10m
180° Direction Reversal Yes, on 15, 12, 10m
Brand Ultrabeam
Supported Bands 20m, 17m, 15m, 12m, 10m, 6m
Wind Surface (m²) 0.47
Weight 19 kg
Boom length [cm] 290 cm
Front/Back ratio [dB] 20m: 25; 15m: 27; 10m: 30
Balun Included No
Max. Power [W] 3500 W
Polarisation Horizontal
Rotation Radius [m] 4.2
Boom Size 60 x 60
Antenna Guying No
Antenna Type Directional Antenna
Design of antenna Yagi
Max. Mast Diameter [mm] 50
Gain [dBi] (free space) 7.9
Gain 14 MHz [dBi] 7.9

Ultrabeam offers a range of motorised adjustable beams. Originally founded in Italy, the company was taken over by WiMo in 2017 and production was moved to Herxheim.

Ultrabeam offers 2 product lines: Beams from 6 to 20m and from 6 to 40m. The UB-20MX is the smallest of the beams from 6 to 20m, ideal for the terraced house or other situations with limited space.

Ultrabeam 6 Band Beam UB-20MX, 3/2 El. Moxon
Ultrabeam 6 Band Beam UB-20MX, 3/2 El. Moxon

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€3,316.00
incl. VAT, plus shipping €2,786.55

In stock, shipped in 1 to 2 days

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