Ultrabeam 8 Band Beam VL2.3 3 El. 6-40m

Upgradeable, motor-tuned HF/50MHz directional antenna with two loop element, controller, signal cable and anchoring kit
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The Ultrabeam "VL" type antennas are vertically mounted dipole loops for one, two or three elements (VL = Vertical Loop). With this construction a compact dimension is possible without giving up much of the performance of a full size antenna. So this is an excellent compromise for space and performance. The model UB640-VL-2.3 uses a switching relay to select the driven element. Please note that this antenna requires two additional control wires.

All "VL" dipoles are shipped with a truss kit, which should be installed for each VL dipole. This kit contains one or two vertical supports, depending on model, plus guying ropes with all mechanical hardware required to install the guy wires to the extremities of the boom. The entire construction becomes much more solid and resilient in case of snow ond ice on the antenna. The EHUs are the same as the motor units on all other Ultrabeam antennas.

The optional 6m kit (available only for UB640-VL1.3 and UB640-VL2.3) adds two passive elements for better performance on the 6m band.

Included in shipment
  • Antenna 12220.VL2.3
  • Touch Screen Controller RCU-06
  • 30m control cable with connectors, ready to use. For other lengths see below.
  • Two truss kits for element
  • Mast Clamp for 60 mm rotor tube diameter. For other diameters see below.

Controller and cable included

The antennas are shipped with the RCU-06 controller with a a colour touch display, and 30m control cable with connectors installed ready to use. Other length see below.

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Technical Data
Weight [kg] 35.00 kgs
Boom Size 60 x 60
Front Back Ratio 10 MHz (dB) 15
Rotation Radius (m) 6
Balun Included Yes
Front/Back Ratio 7 MHz (dB) 15
Front/Back Ratio 14 MHz (dB) 25
Front/Back Ratio 21 MHz (dB) 27
Front/Back Ratio 28 MHz (dB) 30
Mono-/Multiband Multiband
Number of active Elements 18 MHz 3.0000
Number of active Elements 10 MHz 2.0000
Number of active Elements 14 MHz 3.0000
Number of active Elements 7 MHz 2.0000
Number of active Elements 28 MHz 3.0000
Number of active Elements 24 MHz 3.0000
Number of active Elements 50 MHz 3.0000
Number of active Elements 21 MHz 3.0000
Bi-directional mode Yes, on 17, 15, 12, 10m
180° Direction Reversal Yes, on 17, 15, 12, 10m
Number of Elements 3
Polarisation Horizontal
Gain 14 MHz [dBi] 8.2
Gain 10 MHz [dBi] 8.2
Gain 7 MHz [dBi] 6.3
Max. Power [W] 3500 W
Freq Range [MHz] 7-54 MHz
Impedance (Ω) 50
Boom length [cm] 450 cm
Supported Bands 10m, 12m, 15m, 17m, 20m, 40m, 6m
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